najmoosman132 najmoosman132

16-04-2024
Chemistry

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A hard water sample contains 0.0087 � by mass (in the form of Ca2 ions). Part A What mass of water in grams contains 1.3 g of Ca ? (1.3 g of Ca is the recommended daily allowance of calcium for 19- to 24-year-olds.) Express your answer in grams to two significant figures.

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