Multiple Choice
In general chemistry, what does molarity measure?
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6. Chemical Quantities & Aqueous Reactions
Molarity
Multiple Choice
In general chemistry, molarity is a measure of which quantity?
A
The number of moles of solute per liter of solution
B
The number of moles of solute per kilogram of solvent
C
The number of grams of solute per liter of solution
D
The number of moles of solvent per liter of solution
Verified step by step guidance1
Understand that molarity is a concentration unit used in chemistry to express the amount of solute dissolved in a given volume of solution.
Recall the definition of molarity (M), which is the number of moles of solute divided by the volume of the solution in liters.
Express molarity mathematically as \(M = \frac{\text{moles of solute}}{\text{liters of solution}}\).
Differentiate molarity from other concentration units such as molality (moles of solute per kilogram of solvent) and mass concentration (grams of solute per liter of solution).
Conclude that molarity specifically measures the number of moles of solute per liter of solution.
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