Question

Convert 121 g/L of NaCl into mol/L

Answer 1

Explanation:

atomic mass of Na = 23 amu

atomic mass of Cl = 34.5 amu

so atomic mass of NaCl is about 57.5 amu

this means that 1 mol of NaCl has a mass of 57.5 g

meaning the ans is 121 / 57.5