Stoichiometry Conversions

In stoichiometry, what must be identified to convert moles of substance A to moles of substance B?

How many steps are required to convert grams of substance A to grams of substance B?

In the reaction 2 SO2 + O2 → 2 SO3, if 6.8 moles of SO2 react, how many moles of SO3 are produced?

For the reaction C3H8 + 5 O2 → 3 CO2 + 4 H2O, how many moles of oxygen gas (O2) are required to react completely with 1 mole of propane (C3H8)?

What is the molar mass of CO2, given the molar mass of C is 12.01 g/mol and O is 16.00 g/mol?

What is the first step in converting grams of propane to moles of water?

In the reaction 2 Al + 3 Cl2 → 2 AlCl3, what is the mole ratio between Al and AlCl3?

If 9.4 moles of SO2 react, how many moles of O2 are required?

Given 5.6 moles of propane (C3H8), how many grams of carbon dioxide (CO2) will be produced?

If 76 grams of water (H2O) are produced, how many moles of carbon dioxide (CO2) are also produced?

How many grams of chlorine gas (Cl2) are required to react completely with 85.6 grams of aluminum (Al)?

If 50 grams of propane (C3H8) react with excess oxygen, how many moles of water (H2O) are produced?

In the reaction 2 Al + 3 Cl2 → 2 AlCl3, if you start with 100 grams of Al and excess Cl2, what is the theoretical yield of AlCl3 in grams?

What mass of oxygen is required for the complete combustion of 15g of Propane?

For the reaction C3H8 + 5 O2 → 3 CO2 + 4 H2O, determine the limiting reactant if 22.0 g of C3H8 is reacted with 22.0 g of O2.

A reaction produces 50.0 grams of AlCl3. If the percent yield of the reaction is 75.0%, what was the theoretical yield of AlCl3?

How many grams of SO3 can be produced from 100.0 g of SO2 and 20.0 g of O2 if the percentage yield of the reaction is 80.0%?

In the reaction C3H8 + 5 O2 → 3 CO2 + 4 H2O, starting with 50 grams of C3H8 and 50 grams of O2, what mass of water can be produced?

Given the reaction 2 Al + 3 Cl2 → 2 AlCl3, if 54.0 g of Al reacts with 85.0 g of Cl2, which reactant is limiting and what mass of AlCl3 will be produced?

What is the mass of chlorine gas required for the complete reaction of 1.0 gram of Aluminium?

If 15.0 g of SO2 reacts with 2.3 g of O2, will all the SO2 react?

How many moles of aluminum chloride would be produced from 5g of aluminium and 7g of chlorine gas?

If 25.0g of Al reacts with 75.0g of $Cl_2$ theoretically what mass of $AlCl_3$ will be formed?

Which ratio is used to convert 38 grams of water to moles of carbon dioxide in the reaction involving propane and oxygen gas?

In the reaction 2 SO2 + O2 → 2 SO3, how many moles of oxygen gas are needed to fully react with 4.7 moles of sulfur dioxide?

What is the amount of grams of oxygen gas that reacts with 3.8 moles of propane?

What is the main purpose of using stoichiometry in chemical reactions?

What is the key factor in converting between moles of substance A and substance B?

In the reaction, 2 Al + 3 Cl2 → 2 AlCl3, if 35 grams of Aluminum completely react, which calculation determines the grams of Aluminum Chloride?

What is the molar mass of propane, given the molar mass of C is 12.01 g/mol and H is 1.008 g/mol?

Why is it important to balance chemical equations before performing stoichiometric calculations?

Which type of stoichiometric conversion requires the determination of molar mass as one of the steps?

In the reaction 2 SO2 + O2 → 2 SO3, what does the coefficient '2' in front of SO2 and SO3 represent?

In stoichiometry, which conversion involves two steps?

In a balanced equation for the reaction between propane and oxygen, C3H8 + 5 O2 → 3 CO2 + 4 H2O, what does the number '5' signify?

How many steps are required to convert grams of propane to moles of water?

In the equation 2 Al + 3 Cl2 → 2 AlCl3, what quantity of chlorine gas is needed to react completely with 42.8 g of aluminum?

Given the molar mass of AlCl3 is 133.33 g/mol, how many grams of aluminum chloride can be produced from 35 g of Al?

Which conversion requires only a single step in stoichiometric calculations?

What is the last step in converting grams of substance A to grams of substance B?

When converting from moles of a substance to grams of a different substance, what additional information is needed besides the mole ratio?

In the reaction 2SO2 + O2 → 2SO3, what is the mole ratio of SO2 to SO3?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if you have 5.6 moles of C3H8, how many moles of CO2 will be produced?

What is the molar mass of water (H2O)?

In the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if 44.094 grams of propane is reacted, how many moles of water are produced?

How many steps are required to convert moles of a substance to grams of a different substance?

If 38 grams of H2O are produced from the reaction C3H8 + 5O2 → 3CO2 + 4H2O, how many moles of $O_2$ were required?

Given the reaction C3H8 + 5 O2 → 3 CO2 + 4 H2O, if you start with 100 grams of $O_2$, what is the theoretical yield of $CO_2$?

In stoichiometry, what is the first step when converting grams of reactant A to grams of product B?

Which of the following is required to determine the mass of product formed from a given mass of reactant using stoichiometry?

In the reaction 2SO2 + O2 → 2SO3, if you have 128 grams of SO2, what is the theoretical yield of SO3 in grams?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, how many grams of oxygen are needed to react completely with 11 grams of propane?

In the reaction 2 Al + 3 Cl2 → 2 AlCl3, if 10 grams of Al reacts with excess Cl2, how many grams of AlCl3 will be produced?

In the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if 5 moles of $O_2$ reacts, how many grams of $CO_2$ is produced?

For the reaction 2SO2 + O2 → 2SO3, how many grams of $O_2$ are needed to react with 1 mole of $SO_2$?

Given the reaction 2 Al + 3 Cl2 → 2 AlCl3, if 27 grams of Al reacts with excess Cl2, what mass of AlCl3 will be formed?

If 96 grams of $O_2$ react, how many grams of $H_2O$ will be formed in the reaction: C3H8 + 5O2 → 3CO2 + 4H2O?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, what mass of propane is needed to produce 72 grams of water?

Given the reaction 2 Al + 3 Cl2 → 2 AlCl3, you have 54 grams of Al and excess Cl2. After the reaction, you collect 200 grams of AlCl3. What is the percent yield of the reaction?

If you have 100 grams of C3H8 reacting with 100 grams of O2, can you determine the limiting reactant by only using the mass and the molar mass of the reactants?

Consider the reaction: C3H8 + 5O2 → 3CO2 + 4H2O. If 2 moles of propane and 8 moles of oxygen react, which is the limiting reactant?

If water has a molar mass of 18g/mole, and carbon dioxide has a molar mass of 44g/mole, if you have 90g of water, how many grams of carbon dioxide were also formed?

In the reaction 2 Al + 3 Cl2 → 2 AlCl3, determine the number of grams of $AlCl_3$ produced if 100 grams of Al reacts with 100 grams of $Cl_2$.

For the reaction 2SO2 + O2 → 2SO3, if 2 moles of SO2 and 2 moles of O2 are allowed to react, what is the limiting reactant?

Stoichiometry is based on which fundamental law?

In the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if the reaction starts with 200 grams of $C_3H_8$ and excess $O_2$, what is the theoretical yield of $CO_2$, assuming the reaction goes to completion?

You perform a reaction and calculate that the theoretical yield of your product should be 25.0 grams. When you perform the experiment, you only isolate 15.0 grams of product. What is your percent yield?

For the reaction 2SO2 + O2 → 2SO3, if you are given the mass of SO2 and O2, what additional information do you need to calculate the mass of SO3 produced?

Consider the reaction: C3H8 + 5O2 → 3CO2 + 4H2O. If the reaction is performed in a closed container, and you measure an increase in pressure, what is the most likely cause?

In the reaction 2 Al + 3 Cl2 → 2 AlCl3, if 1g of $Al$ reacts, what is the minimum mass of $Cl_2$ must react for all of the Aluminum to be fully consumed?

If the actual yield of a reaction is consistently less than the theoretical yield, what could be a likely explanation?

What is the mass of oxygen gas required for the complete reaction of 5.0 grams of propane?

Does changing environmental factors like temperature affect the overall yield of stoichiometric calculations?

Given the reaction C3H8 + 5O2 → 3CO2 + 4H2O, the ratio of $O_2$ to $H_20$ is 5:4, but the mass ratio $O_2$ to $H_20$ is not 5:4, what accounts for the change in mass?

How many main types of stoichiometry conversions are typically involved in chemical reactions?

Which stoichiometric conversion typically involves three steps?

In the balanced chemical equation, 2SO2 + O2 -> 2SO3, what is the mole ratio of SO2 to SO3?

For the reaction C3H8 + 5O2 -> 3CO2 + 4H2O, what is the mole ratio between propane (C3H8) and carbon dioxide (CO2)?

What two pieces of information are required to perform a mole-to-gram conversion?

Consider the reaction C3H8 + 5O2 -> 3CO2 + 4H2O. If you start with 2.8 moles of C3H8, how many moles of CO2 will be produced?

What conversion factor is needed to convert grams of a substance to moles of the same substance?

If 25 grams of propane (C3H8) react with excess oxygen, how would you calculate the moles of water (H2O) formed?

Given the balanced equation 2Al + 3Cl2 -> 2AlCl3, if you have 42.8 g of Al, what is the correct setup to find the grams of $Cl_2$ required to react completely?

What is the final step in a gram-to-gram stoichiometric conversion?

Given the balanced equation: C3H8 + 5O2 -> 3CO2 + 4H2O, if 38 grams of water (H2O) are produced, what is the correct setup to calculate the moles of $CO_2$ produced?

What is the purpose of balancing chemical equations in stoichiometry?

For the reaction 2SO2 + O2 -> 2SO3, if you begin with 3.4 moles of SO2, how many moles of SO3 can be produced?

In the reaction C3H8 + 5O2 -> 3CO2 + 4H2O, how many moles of oxygen gas are required to completely react with 3.8 moles of propane?

How many steps are typically involved in converting moles of one substance to grams of another substance?

What is the molar mass of oxygen gas ($O_2$)?

What must be known to convert from moles of substance A to moles of substance B?

Which conversion involves only one step?

Given the reaction 2Al + 3Cl2 -> 2AlCl3, if you have 35 grams of aluminum, what is the correct sequence to convert to grams of aluminum chloride?

Given the reaction C3H8 + 5O2 -> 3CO2 + 4H2O, how many grams of $O_2$ are needed to react completely with 3.8 moles of propane?

In the reaction 2SO2 + O2 -> 2SO3, if 3 moles of $O_2$ are available to fully react, what is the mass of $SO_2$ in grams needed for this?

Which of the following requires the use of molar mass in stoichiometric calculations?

For the reaction 2Al + 3Cl2 -> 2AlCl3 if you have 4 moles of Al, what is the amount of moles for $Cl_2$ needed?

What conversion factor is used to directly convert moles of one substance to moles of another in a chemical reaction?

You are given grams of substance A and asked to find grams of substance B. What must you do first?

Given the balanced equation C3H8 + 5O2 -> 3CO2 + 4H2O. If 22.0 g of $C_3H_8$ fully reacts, what is the amount of grams for $O_2$ needed for a complete reaction?

How many grams of chlorine ($Cl_2$) are needed to react completely with 2 moles of aluminum (Al) in the reaction 2Al + 3Cl2 -> 2AlCl3?

You need to determine the mass of product formed from 10.0 grams of reactant with a known molar mass reacting with another reactant with a known molar mass. Which piece of the puzzle is most important in determining the mass of the product?

In the reaction 2Al + 3Cl2 -> 2AlCl3, if 50 grams of Al reacts, can you calculate the mass of $AlCl_3$ formed without knowing the amount of $Cl_2$?

For the reaction 2SO2 + O2 -> 2SO3, you know the moles of $SO_2$, and you can calculate the moles of $O_2$ required. Can you determine the mass of $SO_3$ formed without any additional information?

For the reaction C3H8 + 5O2 -> 3CO2 + 4H2O, which step must be performed before using the mole ratio to determine the amount of product formed when starting with grams of $C_3H_8$?

The balanced equation for a reaction is 2A + B -> 2C. If the molar mass of A is 20 g/mol and the molar mass of C is 30 g/mol, and you start with 10 grams of A, how many grams of C can be produced, assuming B is in excess?

Consider the reaction C3H8 + 5O2 -> 3CO2 + 4H2O. If you react 1 mole of $C_3H_8$ and excess $O_2$ how many grams of $CO_2$ is produced?

Given that the molar mass of $C_3H_8$ is 44 g/mol and that of $O_2$ is 32 g/mol, consider the reaction C3H8 + 5O2 -> 3CO2 + 4H2O. If you start with equal masses of both reactants (e.g., 100 g each), which one will run out first, and what's the limiting factor?

In the reaction 2SO2 + O2 -> 2SO3, starting with 64 grams of SO2 and 32 grams of O2, can you theoretically produce more than 80 grams of SO3?

If 100 grams each of $C_3H_8$ and $O_2$ are reacted according to the equation C3H8 + 5O2 -> 3CO2 + 4H2O, and it is observed that the reaction produces significantly less $CO_2$ than theoretically expected based on the amount of $C_3H_8$ initially present, what is the most probable cause?

You want to convert from grams of compound A to grams of compound B. You have the molar mass for compound A and the molar mass for compound B. However, when setting up your equation you divide by the molar mass of A instead of multiply. Which best describes the result of this?

In stoichiometry, what is the correct number of steps required to convert from moles of substance A to grams of substance B?

In the reaction 2SO2 + O2 → 2SO3, how many moles of SO3 are produced if 3.4 moles of SO2 react completely?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, how many grams of oxygen gas are required to react completely with 3.8 moles of propane?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if 25 grams of C3H8 reacts with excess oxygen, how many moles of H2O are formed?

In the reaction 2Al + 3Cl2 → 2AlCl3, what mass of AlCl3 will be formed if 35 grams of aluminum reacts with excess chlorine?

If 38 grams of water are produced from the reaction C3H8 + 5O2 → 3CO2 + 4H2O, how many moles of carbon dioxide were also produced?

Starting with grams of substance A and aiming to find grams of substance B, what is the second conversion step in this three-step stoichiometric process?

If 42.8 grams of aluminum reacts completely in the reaction 2Al + 3Cl2 → 2AlCl3, what mass of chlorine gas is required?

What type of stoichiometric problem requires only one conversion step?

In the balanced equation C3H8 + 5O2 → 3CO2 + 4H2O, what is the ratio of moles of propane to moles of water?

In the reaction 2Al + 3Cl2 → 2AlCl3, what is the mole ratio between chlorine gas and aluminum chloride?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if you have 2.8 moles of propane, how many moles of carbon dioxide will be produced upon complete reaction?

In the reaction 2SO2 + O2 → 2SO3, how many moles of oxygen are required to react completely with 4.7 moles of SO2?

In stoichiometry, which conversion requires you to use the molar mass of a substance as a conversion factor?

During a stoichiometry calculation, when converting from moles of substance A to moles of substance B, which of the following is essential?

Given the reaction, 2Al + 3Cl2 → 2AlCl3, if 54 grams of Al reacts with excess Cl2, what mass of AlCl3 will be formed?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, which conversion factor is used to determine the moles of $CO_2$ produced from 25 grams of $C_3H_8$?

In the reaction 2SO2 + O2 → 2SO3, which conversion factor will you use to convert from moles of $SO_2$ to moles of $SO_3$?

For the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if 96 grams of $O_2$ are reacted, how many grams of $H_2O$ will be formed?

What is the first step in performing stoichiometry calculations to convert grams of reactant A to grams of product B?

When converting grams of compound A to moles of compound B, what is required after converting grams of A to moles of A but before converting to moles of B?

In the reaction 2Al + 3Cl2 → 2AlCl3, if 100 grams of $Cl_2$ is available, what calculation should be performed to determine the corresponding mass of $AlCl_3$ produced?

In the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if you begin with 25 grams of $C_3H_8$, what subsequent steps are required to find the mass of $CO_2$ produced?

For the reaction: 2SO2 + O2 -> 2SO3, initially you have 128 grams of $SO_2$, but theoretically you predict only 100 grams of $SO_3$ can be produced. What does this suggest?

In stoichiometry, what is the significance of verifying that you have a balanced chemical equation?

Why is the mole ratio important?

In the reaction C3H8 + 5O2 → 3CO2 + 4H2O, if 22 grams of $C_3H_8$ react, what calculation should be performed to determine the required amount of $O_2$?

For which of these conversions do you require the use of a balanced chemical equation?

If 50 grams of propane ($C_3H_8$) and 50 grams of oxygen ($O_2$) are reacted according to the equation C3H8 + 5O2 -> 3CO2 + 4H2O, what determines the amount of product formed?

In the reaction 2SO2 + O2 → 2SO3, starting with 64 grams of SO2 and 32 grams of O2, what theoretical mass of SO3 can be produced?

Which information below is required to directly convert moles of one substance to moles of another in any chemical reaction?

Consider the reaction C3H8 + 5O2 -> 3CO2 + 4H2O. If you have 100 grams of both reactants, can you theoretically produce more grams of $CO_2$ than $H_2O$?

When using stoichiometry to calculate the mass of a product formed from the complete reaction of a limiting reactant, what must you assume about reaction conditions?

If you are trying to determine the amount of water produced from 1.000 g of Propane in the balanced equation, which one of these errors would cause you to overestimate the amount of water?

What quantity does a 'mole' represent in chemistry?

Which term is most appropriate when referring to individual units of carbon (C)?

What is the first step in converting grams of a substance to the number of atoms?

How many molecules are there in 2 moles of $H_2O$?

If you have 6 x 10^24 atoms of zinc, how many moles do you have?

What is the molar mass of glucose ($C_6H_{12}O_6$)?

If a sample of $NH_3$ has a mass of 68 grams, how many moles of $NH_3$ are present?

What conversion factor is used to convert ‘number of particles’ to ‘moles’?

Which substance would be appropriately described using the term 'formula units'?

How many grams are there in 1.5 moles of neon (Ne)?

How many hydrogen atoms are present in 2 moles of methane ($CH_4$)?

If you have 18 grams of water ($H_2O$), how many moles of water do you have?

How many chloride ions are present in 3 moles of aluminum chloride ($AlCl_3$)?

How many steps are required to convert from grams of a compound to the number of atoms of a specific element within that compound?

Which of the following compounds would you describe using the term 'molecules'?

If you have 120 grams of neon (Ne), how many moles do you have?

You have a sample containing $3.01 \times 10^{24}$ molecules of a substance. How many moles of the substance do you have?

How many grams of sodium hydroxide (NaOH) are needed to have 0.5 moles?

Which of the following correctly describes the relationship between moles, molar mass, and mass?

How many moles are there in $1.204 \times 10^{24}$ formula units of magnesium oxide (MgO)?

What is the mass of 5 moles of argon (Ar)?

If a sample contains $2.408 \times 10^{24}$ atoms of hydrogen, how many moles of hydrogen are present?

Which of the following is the correct setup to convert 36 grams of water ($H_2O$) to moles?

How many moles of aluminum chloride ($AlCl_3$) contain $1.806 \times 10^{24}$ chloride ions?

What is the mass of a sample of carbon that contains $3.01 \times 10^{23}$ atoms?

A compound has a molar mass of 60 g/mol. If a sample of this compound has a mass of 15 grams, how many moles are present?

If you have a mixture containing 0.5 moles of NaCl and 0.25 moles of $MgCl_2$, how many moles of chloride ions are present in the entire mixture?

What is the mass of $3.01 \times 10^{24}$ molecules of $H_2O$?

You have two containers. Container A contains $6.02 \times 10^{23}$ atoms of iron (Fe), and Container B contains $3.01 \times 10^{23}$ molecules of $O_2$. Which container has the greater mass, and why?

Avogadro's number ($6.022 \times 10^{23}$) is defined as:

You need to prepare a solution containing 0.25 moles of sodium chloride (NaCl). If you only have a scale that measures to the nearest gram, what approximate mass of NaCl should you weigh out?

Two students are asked to determine the number of moles in a 10.0 gram sample of water ($H_2O$). Student A uses a molar mass of 18.0 g/mol, while Student B mistakenly uses 1.0 g/mol (thinking of hydrogen). What is the approximate difference in their calculated number of moles?

A chemist performs an experiment where they combine 1 mole of hydrogen atoms (H) and 1 mole of oxygen atoms (O). Theoretically, could this reaction create enough water to be visible to the human eye?

You have $1.0 \times 10^{-3}$ moles of a substance. Which of the following represents the correct number of particles (atoms, molecules, or formula units) present?

What is the number of moles in 5.6 L of gaseous oxygen at STP?

What is the general relationship between the molar mass (MM) of a substance, its mass (m), and the number of moles (n)?

How many moles of carbon are present in 3 moles of $C_6H_{12}O_6$?

If 10 grams of hydrogen gas (H2) reacts completely with another element, how can you determine the number of molecules created?

Which value is most correct about the units for Molar Mass?

You have a sample of copper (Cu). If you double the number of moles of copper, what happens to the number of atoms of copper?

A student calculates the molar mass of a compound to be 50 g/mol. However, the true molar mass is 100 g/mol. If the student uses this incorrect molar mass to convert 200 grams of the compound to moles, will their calculated number of moles be higher or lower than the true number of moles?

You have two sealed containers, both at the same temperature and pressure. Container A contains 1 mole of helium (He), and Container B contains 1 mole of argon (Ar). Which of the following statements is true?

A chemist is trying to determine the molar mass of a new compound. They dissolve 1.00 gram of the compound in water and measure the freezing point depression. Which additional piece of information is MOST crucial for them to accurately calculate the molar mass using this method?

What is the purpose of solution stoichiometry?

Which of the following is a correct step to determine the volume of silver nitrate solution required to react completely with a given volume of sodium chloride solution?

In a reaction between lead(II) nitrate and potassium iodide, what is the mole ratio used to convert moles of potassium iodide to moles of lead(II) nitrate?

When determining the mass of magnesium hydroxide produced from a magnesium nitrate solution reacting with excess sodium hydroxide, what indicates that magnesium nitrate is the limiting reactant?

In a reaction between sodium phosphate and calcium chloride, how do you determine the limiting reactant?

If $M_1V_1 = M_2V_2$ is used to solve solution stoichiometry problems, what does $M$ represent?

Why is it essential to balance the chemical equation before performing solution stoichiometry calculations?

In the reaction $Mg(NO_3)_2 + 2NaOH \rightarrow Mg(OH)_2 + 2NaNO_3$, if you are given the volume and molarity of $Mg(NO_3)_2$, what is the next step to finding the mass of $Mg(OH)_2$ produced?

In a limiting reactant problem, once you've calculated the mass of product formed by each reactant, what does the reactant that produces the least amount of product indicate?

When using the modified equation $1 * M_1V_1 = 2 * M_2V_2$ to determine an unknown concentration, what do the coefficients '1' and '2' represent?