Find the molarity when 5.85 g of NaCl is dissolved to make 0.500 L of solution.

Solution

Chemistry · Easy

Problem

Find the molarity when 5.85 g of NaCl is dissolved to make 0.500 L of solution.

Use molarity = moles solute / liters solution.
moles NaCl = 5.85 g / 58.44 g/mol = 0.100 mol NaCl
molarity = 0.100 mol / 0.500 L
molarity = 0.200 mol/L.

Result

0.200 mol/L