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12-03-2024
Chemistry

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A 1.803-g sample of gypsum, a hydrate salt of calcium sulfate, CaSO₄, is heated at a temperature greater than 170 degrees C in a crucible until a constant mass is reached. The mass of anhydrous CaSO₄ salt is 1.426g. Calculate the percent by mass of water in the hydrated calcium sulfate.

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