A solution of aqueous ferric chloride has a concentration of 15 ppm. What does this tell us about the amount of ferric chloride in the solution?
A) There are 15 grams of ferric chloride in every 1,000,000 grams of solution.
B) There are 15 grams of ferric chloride in every 1,000,000 mL of solution.
C) There are 15 mL of ferric chloride in every 1,000,000 mL of solution.
D) Both A and B are correct.
D
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