For each of the following solutions, the mass of solute is...

For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. $5.59 \mathrm{~g} \mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$ b. 2.34 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$ c. 8.73 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$ d. 11.5 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$

For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution.
a. $5.59 \mathrm{~g} \mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$
b. 2.34 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$
c. 8.73 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$
d. 11.5 g $\mathrm{CaCl}_{2} ; 125 \mathrm{~mL}$

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Key Concepts

Volume Conversion

Volume conversion in the context of molarity involves ensuring that the final volume of the solution is expressed in liters, as molarity is defined per liter of solution. This often requires converting milliliters to liters by dividing by 1000.

Mass-to-Moles Conversion

The mass-to-moles conversion is the process of converting a given mass of a substance to the number of moles by dividing the mass by the molar mass. This conversion is key to solving problems involving concentration, stoichiometry, and chemical reactions.

Molarity

Molarity is a measure of the concentration of a solution, defined as the number of moles of solute per liter of solution. It provides a way to express how much of a substance is present in a given volume of solution, which is essential for understanding reactivity, dilutions, and many practical laboratory calculations.

Molar Mass

Molar mass is the mass, typically in grams, of one mole of a substance. It is a critical factor in converting between the mass of a compound and the number of moles, using the compound's chemical formula and atomic masses from the periodic table.

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