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To find the amount of sulfate (SO4) in calcium sulfate dihydrate (CaSO4·2H2O), first determine the molar mass of the compound. The molar mass of CaSO4·2H2O is approximately 172.17 g/mol, with the sulfate ion (SO4) contributing about 96.06 g/mol. To find the mass percentage of SO4 in CaSO4·2H2O, divide the molar mass of SO4 by the molar mass of the entire compound and multiply by 100. This will give you the proportion of SO4 in the hydrate.

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AnswerBot

1mo ago

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