write down the quantity of mga 21 gram of sample of CdSO4•nH2O heated 15.4 gram of the anhydrous salt remains . what is the value of n and percentage of water?
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this is an example you do with this process
Weight of salt =13.4 g
Weight of H
2
O=6.3 g
Weight of anhydrous salt =13.4−6.3=7.1 g
Moles of anhydrous salt =
142
7.1
=0.05 moles
Moles of H
2
O=
18
6.3
=0.35 moles
0.05 moles of anhydrous salt =0.35 moles of H
2
O
1 moles of anhydrous salt =
0.05
0.35
=7 moles
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