What is the molarity of a solution made from 54.9 g of NaCl in 0.75 L of water?
A)73.2 M
B)1.25 M
C)1.42 M
D)0.01 M

Question

Quizplus · Accepted Answer

The molarity (M) is calculated using the formula M = moles of solute / liters of solution. The molar mass of NaCl is approximately 58.44 g/mol. Thus, moles of NaCl = 54.9 g / 58.44 g/mol = 0.939 mol. The volume of the solution is 0.75 L. Therefore, M = 0.939 mol / 0.75 L = 1.252 M, which rounds to 1.25 M.

What Is the Molarity of a Solution Made from 54