A hard water sample contains 0.0085% Ca by mass (in the form of ions). What mass of
Chapter 0, Problem 56(choose chapter or problem)
A hard water sample contains 0.0085% Ca by mass (in the form of ions). What mass of water in grams contains 1.2 g of Ca? (1.2 g of Ca is the recommended daily allowance of calcium for 19- to 24-year-olds.)
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