General Inorganic Chemistry - Solutions Concentration

Water

True (A)

<p>potatoes</p> Signup and view all the answers

<p>Hard-boiled (B)</p> Signup and view all the answers

<p>Potatoes = Soft Eggs = Hard Coffee beans = Savory aroma</p> Signup and view all the answers

<p>The impact of different environments/experiences on individuals</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Potatoes, eggs, and coffee beans (C)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>The story emphasizes the importance of adapting to adversity and finding a way to make the best out of challenging situations.</p> Signup and view all the answers

<p>concerns, troubles, and triggers</p> Signup and view all the answers

<p>Potato = Softens Egg = Hardens Coffee Beans = Transforms into something new</p> Signup and view all the answers

<p>Viscosity (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>The story introduces the concept of a solution, where the ground coffee beans act as the solute and the boiling water acts as the solvent.</p> Signup and view all the answers

<p>kilogram</p> Signup and view all the answers

<p>7.89 g (A)</p> Signup and view all the answers

<p>7.89%</p> Signup and view all the answers

<p>moles</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Volume percent = The ratio of the volume of solute to the volume of solution, multiplied by 100% Mass percent = The ratio of the mass of solute to the mass of solution, multiplied by 100% Mass/volume percent = The ratio of the mass of solute to the volume of solution, multiplied by 100% Mole fraction = The ratio of the moles of solute to the total moles of solute and solvent Mole percent = The mole fraction multiplied by 100% Molarity = The number of moles of solute per liter of solution Molality = The number of moles of solute per kilogram of solvent</p> Signup and view all the answers

<p>The ethanol content of an alcoholic beverage</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Density (A)</p> Signup and view all the answers

<p>0.20 M</p> Signup and view all the answers

<p>Molarity = Moles of solute per liter of solution Molality = Moles of solute per kilogram of solvent Mole fraction = Ratio of moles of a component to the total moles of all components Mass percent = Mass of solute divided by the mass of solution, multiplied by 100%</p> Signup and view all the answers

<p>0.017 (D)</p> Signup and view all the answers

<p>0.99%</p> Signup and view all the answers

<p>ethanol</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>ppm (m/m)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Parts per million (ppm, m/m) (A), Molality (m) (B)</p> Signup and view all the answers

<p>Molarity (M) = Amount (moles) of solute per kilogram of solvent Molality (m) = Amount (moles) of solute per liter of solution ppm (m/m) = Mass of solute per mass of solution, expressed in parts per million Percent by mass (% m/m) = Mass of solute per 100 g of solution</p> Signup and view all the answers

<p>0.855 M</p> Signup and view all the answers

<p>mol/kg (B)</p> Signup and view all the answers

<p>1.10 m</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Molarity is the moles of solute per liter of solution, while molality is the moles of solute per kilogram of solvent.</p> Signup and view all the answers

<p>1.16 x 10^4 ppm (D)</p> Signup and view all the answers

<p>Density (B)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Molarity is defined as moles of solute per liter of solution, while molality is defined as moles of solute per kilogram of solvent.</p> Signup and view all the answers

<p>molarity</p> Signup and view all the answers

<p>Percent by mass = Ratio of mass of solute to mass of solution times 100% Percent by volume = Ratio of volume of solute to volume of solution times 100% Percent by mass/volume = Ratio of mass of solute to volume of solution times 100% Parts per million (ppm) = Used for extremely diluted solutions Molarity = Moles of solute per liter of solution Molality = Moles of solute per mass of solvent (in kg) Mole fraction = Ratio of moles of a given component to total moles of all components Proof = Twice the volume of ethyl alcohol in an alcoholic beverage</p> Signup and view all the answers

<p>Dissolve 50.0 g of CaCO3 in enough water to make 500.0 mL of solution (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>0.68 M</p> Signup and view all the answers

<p>proof</p> Signup and view all the answers

<p>Solution A: 500.0-mL solution with 50.0-gram CaCO3 = Percent by mass/volume Solution B: 4.0-L solution with 6.0-moles H2SO4 = Molarity</p> Signup and view all the answers

A metaphor for people who become weak under adversity, similar to how a potato softens in boiling water.

A metaphor for those who harden emotionally under pressure, like how an egg solidifies when boiled.

A metaphor for those who transform adversity into something positive, like coffee beans creating a new flavor in hot water.

The ability to change and adapt positively in reaction to stress or challenges.

Challenges or difficulties faced in life that test one's resilience.

A solution is a homogeneous mixture of solute and solvent; a mixture is composed of two or more components.

A substance that is dissolved in a solution, like coffee beans in water.

Measurements that express the amount of solute present in a solution.

The amount of solute in a given volume of solution.

Number of moles of solute per liter of solution.

Number of moles of solute per kilogram of solvent.

Ratio of moles of a component to total moles in the mixture.

Ratio of solute to solution expressed as a percentage.

Parts per million; concentration measuring very dilute solutions.

Parts per billion; even more diluted than ppm.

A measure of the strength of an alcoholic beverage.

A measure of concentration in parts per million using mass of solute and mass of solution.

The number of moles of solute dissolved in one liter of solution.

The number of moles of solute per kilogram of solvent, independent of solution volume.

Using molar mass to convert the mass of a substance to moles.

Example calculation showing how to find the molarity from grams and volume.

The mass used to convert grams of NH4Cl to moles for molarity calculations.

Converting grams to kilograms before calculating molality.

Formula to calculate parts per million using mass of solute and mass of solution.

Understanding the difference between molarity and molality.

Example showing application of molality in practical scenarios, such as drying agents.

The mass of solute divided by the total mass of solution, multiplied by 100.

The volume of solute divided by the total volume of solution, multiplied by 100.

The amount of C3H7OH in moles calculated as 2.36 mol.

The amount of H2O in moles calculated as 3.22 mol.

The ratio of moles of solute to total moles in solution.

Mole fraction of C3H7OH = 0.423.

Mole fraction of H2O = 0.577.

A measure of ethanol content; proof = 2 × % alcohol by volume.

Combining solute (ethanol) and solvent (water) to form a solution.

The ratio of mass of solute to mass of solution times 100%.

The ratio of volume of solute to volume of solution times 100%.

The ratio of mass of solute to volume of solution times 100%.

Used for extremely diluted solutions, representing mass of solute per million parts of solution.

Molarity calculated as moles of solute divided by liters of solution.

Calculated as mass of solute divided by mass of solution times 100%.

The process of reducing concentration by increasing volume with solvent.