Stoichiometry Basics and Problem Solving

How many moles of potassium chlorate (KClO3) are required to produce 1.5 moles of oxygen gas (O2) in the reaction: 2KClO3(s) → 2KCl(s) + 3O2(g)?

In the reaction 4P(s) + 5O2(g) → P4O10(s), what mass of phosphorus (P) is needed to react completely with 10.0 grams of oxygen (O2)?

In the decomposition of hydrogen peroxide (2H2O2(aq) → 2H2O(l) + O2(g)), if 5.0 grams of hydrogen peroxide decomposes, what mass of oxygen is produced?

What is the mole ratio between potassium chlorate (KClO3) and potassium chloride (KCl) in the reaction 2KClO3(s) → 2KCl(s) + 3O2(g)?

In the reaction 4P(s) + 5O2(g) → P4O10(s), what mass of P4O10 is produced when 5.00 g of phosphorus (P) reacts completely with excess oxygen?

If 2.50 mol of H2O2 decomposes according to the reaction 2H2O2(aq) → 2H2O(l) + O2(g), how many grams of oxygen gas (O2) will be produced?

What mass of phosphorus (P) is required to react completely with 10.0 g of oxygen (O2) in the reaction 4P(s) + 5O2(g) → P4O10(s)?

In the reaction 2H2O2(aq) → 2H2O(l) + O2(g), how many moles of oxygen (O2) are produced when 1.00 mol of hydrogen peroxide (H2O2) decomposes?

In the reaction N2(g) + 3H2(g) → 2NH3(g), how many moles of NH3 are produced when 7.5 moles of H2 react completely?

Which of the following is NOT a step involved in solving stoichiometry problems based on the provided text?

What is the primary purpose of the 'data table' used in the problem-solving example?

In practice problem 1, how many moles of sodium (Na) are required to produce 4.0 moles of hydrogen (H2)?

In the reaction 2Al(s) + 3H2SO4(l) → Al2(SO4)3(aq) + 3H2(g), how many moles of H2SO4 are needed to react completely with 12 mol of Al?

In the reaction 2LiBr(aq) + Cl2(g) → 2LiCl(aq) + Br2(l), if 0.046 mol of LiBr reacts completely, how many moles of LiCl are formed?

What is the mass of water produced by burning 500.g of methane, given the following reaction: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)

In Sample Problem 3, the molar mass of Al2O3 was used to convert from grams of Al2O3 to moles of Al2O3. What is the numerical value of this molar mass?

What concept is central to the calculation of the amount of product formed in a chemical reaction, as demonstrated in the example problems?

In Sample Problem 3, what is the mole ratio used to convert moles of Al2O3 to moles of Al?

The step "Multiply by the mole ratio of NH3 to H2 determined from the coefficients of the balanced equation." in the PLAN section relates most directly to which of these concepts?

In the Practice problem 1, what is the molar mass of Na2CO3 used to calculate the moles of Na2CO3?

What is the balanced chemical equation for the reaction of sodium carbonate with nitric acid, as shown in Practice problem 1?

In the Practice problem 2, what is the mole ratio of hydrogen to iron in the balanced equation for the production of hydrogen gas?

What is the molar mass of the product, Fe3O4, in the Practice problem 2 equation?

In Sample Problem 4, how many moles of methane are present in 500. g of methane?

What is the mole ratio between CH4 and H2O in the balanced chemical equation for the combustion of methane?

In the calculation of the mass of H2O produced, why is the molar mass of CH4 used?

If the mass of CH4 used was doubled, what would happen to the mass of H2O produced?

What is the mass of silver bromide produced from 50.0 g of silver nitrate using the reaction: 2AgNO3(aq) + MgBr2(aq) → 2AgBr(s) + Mg(NO3)2(aq)?

What is the mass of calcium carbide (CaC2) needed to produce 100 g of acetylene (C2H2) using the reaction: CaC2(s) + 2H2O(l) → C2H2(g) + Ca(OH)2(s)?

Which of the following is NOT a step involved in calculating the mass of a product in a chemical reaction?

Why is the concept of mole ratio important in stoichiometry?

How many grams of chlorine gas (Cl2) are produced from the reaction of 25.0 g of MnO2 using the reaction: MnO2(s) + 4HCl(aq) → MnCl2(aq) + 2H2O(l) + Cl2(g)?

Which of the following is the BEST definition of stoichiometry?

In the sandwich recipe analogy, what is the mole ratio of bread slices to turkey slices in the recipe?

What is the coefficient of ZnO in the balanced chemical equation for the reaction of zinc with oxygen? (2Zn + O2 → 2ZnO)

According to the balanced chemical equation 2Zn + O2 → 2ZnO, how many moles of ZnO can be produced from 5 moles of Zn?

Which of the following is NOT a step involved in solving stoichiometry problems?

What is the molar mass of zinc oxide (ZnO)?

In the reaction 2Zn + O2 → 2ZnO, if you have 10 grams of zinc, how many grams of zinc oxide (ZnO) can you theoretically produce?

Which of the following is a limiting reactant?