Chemistry, 14.07.2020 23:01 needhelpwithHW10
A 5.15 g sample of calcium sulfide was decomposed into its constituent elements, producing 2.86 g of calcium and 2.29 g of sulfur. Which of the following statements are consistent with the law of constant composition (definite proportions)? Select all that apply. A.Every sample of calcium sulfide will have 44.4% mass of calcium. B.Every sample of calcium sulfide will have 2.86 g of calcium. C.The mass ratio of Ca to S in every sample of calcium sulfide is 1.25.D. The ratio of calcium to sulfur will vary based on how the sample was prepared. E.The mass percentage of calcium plus the mass percentage of sulfur in every sample of calcium sulfide equals 100%.
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