Author Question: The concentration of a sodium chloride (NaCl) solution is defined as 10 NaCl (w/w). What does this ... (Read 135 times)

rosent76 · **on:** Jun 25, 2018

The concentration of a sodium chloride (NaCl) solution is defined as 10 NaCl (w/w). What does this tell us about the amount of NaCl in the solution?

A) There are 10 grams of NaCl in every 10 of solution.
B) There are 10 grams of NaCl in every 100 grams of solution.
C) There are 10 grams of NaCl in every 100 mL of solution.
D) There are 10 grams of NaCl in every 100 ounces of solution.

Question 2

The concentration of an aqueous glucose solution is noted as 25 glucose (w/v). What does this tell us about the amount of glucose in the solution?

A) There are 0.25 grams of glucose in every 100 mL of solution.
B) There are 2.5 grams of glucose in every 100 mL of solution.
C) There are 25 grams of glucose in every 100 mL of solution.
D) There are 250 grams of glucose in every 100 mL of solution.