< Question 3 of 19
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A 5.61 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.12 g of calcium and
2.49 g of sulfur.
Which of the statements are consistent with the law of constant composition definite proportions)?
The mass percentage of calcium plus the mass percentage of sulfur in every sample of calcium
sulfide equals 100%.
The ratio of calcium to sulfur will vary based on how the sample was prepared.
Every sample of calcium sulfide will have 3.12 g of calcium.
The mass ratio of Ca to Sin every sample of calcium sulfide is 1.25.
Every sample of calcium sulfide will have 44.4% mass of sulfur.