A 100-ML Sample of Water Is Taken from the Pacific Ocean

Multiple Choice

A 100.-mL sample of water is taken from the Pacific Ocean, and the water is allowed to evaporate. The salts that remain (mostly NaCl) have a mass of 3.85 g. Calculate the original concentration of NaCl, in g per liter, in the water sample.

A) 32.5 g/L
B) 34.5 g/L
C) 36.5 g/L
D) 38.5 g/L
E) None of the above