Determine the molarity of a solution formed by dissolving 97.7 g LiBr in enough water to yield 750.0 mL of solution.
A) 1.50 M
B) 1.18 M
C) 0.130 M
D) 0.768 M
E) 2.30 M

Question

Quizplus · Accepted Answer

Molarity = moles of solute / liters of solutionMoles of LiBr = 97.7 g / 86.85 g/mol = 1.125 molLiters of solution = 750.0 mL / 1000 mL/L = 0.750 LMolarity = 1.125 mol / 0.750 L = 1.50 M

Determine the Molarity of a Solution Formed by Dissolving 97