A 0.250 L sample of seawater contains 77.4 g of NaCl which has a molecular weight of 58.44 ​g/mol.

A 0.250 L sample of seawater contains 77.4 g of NaCl which has a molecular weight of 58.44 ​g/mol.

What is the molar concentration of sodium chloride in the seawater?

ANSWER:  5.30 M