A solution that is 35 percent by mass NaCl contains 35 grams of NaCl dissolved in 100 grams of water.

Question

Quizplus · Accepted Answer

A solution that is 35 percent by mass NaCl means that 35 grams of NaCl is dissolved in 100 grams of solution (not just water). Therefore, the total mass of the solution is 135 grams, and the percentage concentration of NaCl by mass is:

(35 g NaCl / 135 g solution) * 100% = 25.93%

So, the statement is false.

A Solution That Is 35 Percent by Mass NaCl Contains