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What is the percent mass of calcium in a calcium supplement if 1.06 g of calcium carbonate is extracted from a 2.82 g pillAsked by soso
What is the percent mass of calcium in a calcium supplement if 1.28-g of calcium carbonate is extracted from a 2.72-g pill?
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Answered by
Steve
Ca comprises 2/3 of the 1.28g CaCO3, or 0.853g
So, assuming that all of the calcium is contained in the CaCO3, the 0.853g is 31.37% of the 2.72g pill
So, assuming that all of the calcium is contained in the CaCO3, the 0.853g is 31.37% of the 2.72g pill
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