MgSO4. 7H20
Find mass of water percentage.
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Relative molecular mass of MgSO
4
.7H
2
O
=24+32+(16×4)+7(2+16)
=24+32+64+126=246
26g of Epsom salt contains 126g of water of crystallisation.
Hence, 100g of Epsom salt contains 100×126/246
The % of H
2
O in MgSO
4
.7H
2
O=51.2
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Answer:
51.2%
Answer. There is 51.2% of water is Magnesium Sulphate-7-water
Explanation:
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