Question

If you are on a field trip to the ocean and you recovered 250 grams of ocean salts from a sample of ocean water, based on known percentages of dissolved solids in ocean water, what would be the mass of chlorine in the sample?

0.0022 g

137.5 g

0.22 g

4.55 g

Answer 1

The answer is A. because 26.25 g NaCl ( 1 mol / 59.44 g ) ( 1 mol Na / 1 mol NaCl ) ( 22.99 g / 1 mol ) = 10.15 g Na