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Answer to Question #308965 in General Chemistry for cols
Question #308965
A water sample was reported to contain 250 ppm CaCO3. How many grams of CaCO3 is present in 4 liters of water.
Expert's answer
106 mL of water contains 200 g calcium carbonate.103 mL of water contains 0.250 g calcium carbonate.This corresponds to 100
0.250=0.002 mol calcium carbonate.Hence, the concentration of calcium carbonate is 0.002M.
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