Chemistry, 11.05.2021 15:10 trystonprice

It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 36.18 gram sample of a hydrate of Na2CO3 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 13.40 grams of the anhydrous compound remained. What is the formula of the hydrate

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