Chemsheets gcse 1093 reacting mass calculations help

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Ocean7647
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Rlly need help with 2 questions for tonight
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Ocean7647
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username4971550
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(Original post by Ocean7647)
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6.15 g of hydrated magnesium sulfate reacts to form 3.00 g of anhydrous magnesium sulfate, hence, 3.15 g of water. Calculate the moles of water (x moles). Use those to calculate the formula mass.

I hope that makes sense and you are able to solve the second one on your own.
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IbrahimJamall
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Can someone send the whole thing plz
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