Describe the mass percent composition of ca and cl
The 1.912-g sample of calcium chloride is decomposed into its ingredient elements and found to contain 0.690 g Ca and 1.222 g Cl. Describe the mass percent composition of Ca and Cl in the calcium chloride.
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Determine the numbers of calcium are needed to react with the 1.55g of water to make the calcium hydroxide and the hydrogen gas?
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