Question

Calculate the percentage loss of mass of decahydrate sodium sulphate when it is completey dehydrated.

If you answer it correctly i will mark you brainliest.​

Answer 1

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Answer 2

55.72%

Molar mass of Na
2
​
SO
4
​
.10H
2
​
O=323

Molar mass of water in it t is mass of 10H
2
​
O=180

∴ % of water of crystallisation =

180/323
​
×100

=55.72%

I hope this answer is right