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Grade: 12th pass
        
Zinc sulphate contains 22.65% of zinc and 43.9% of water of crystallization.If the law of contant proportion is true,then weight of zinc required to produce 20g of hte crystals will be?
 
3 years ago

Answers : (1)

Vikas TU
10277 Points
							
From 100 g compound we have 22.65 gm of Zn then,
1 g of compound would have => 22.65/100 Zn =>  0.2265 gm.
Hence for 40 g compound it would be => 0.2265 x 20 = >  4.5 gms approx. 
3 years ago
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