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Chemistry, 05.07.2019 22:10 thesleepycat

A40.15 gram sample of a hydrate of na2so4 was heated thoroughly in a porcelain crucible, until its weight remained constant. after heating, 21.27 grams of the anhydrous compound remained. what is the formula of the hydrate?

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A40.15 gram sample of a hydrate of na2so4 was heated thoroughly in a porcelain crucible, until its w...
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