1.00g of a hydrated salt contains 0.2014g of iron , 0.1153g of sulfur , 0.2301g of oxygen and 0.4532g of water of crystallisation . find the empirical formula AT.WT. OF Fe is 56, S =32 , O=16
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Element
Moles
Least ratio
Fe
56
0.2014
=0.0036
0.0036
0.0036
=1
S
32
0.1153
=0.0036
0.0036
0.0036
=1
O
16
0.2301
=0.0143
0.0036
0.0143
=3.97≈4
H
2
O
18
0.4532
=0.025
0.0036
0.025
=6.94≈7
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