calculate the percentage of water of crystallization of hydrated magnesium sulphate mgso4. 7 H2O.
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Answer:
51.21
Explanation:
relative molecular mass of mgso4. 7h2o
= 24+32+16×4+7×(2+16)
= 24 +32+64+126
=246
246g of Epsom salt contains 126g of water
.•. 100g will contain 126×100÷246
= 12600÷246
= 51.21g of H2O
answer .. the% of h2o in mgso4. 7h20 = 51. 21
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