1) what percent of water is found in CuSO4*5H20?
2)what percentage of water is found in Na2S*9H2O
3) a 5.0 g sample of hydrate of BaCl2 was heated and only 4.3 g of the anyhdrous salt remained. what percentage of water was in the hydrate?
4) a 2.5 g sample of hydrate of Ca(NO3)2 was heated and only 1.7 g of the anyhydrate salt remained. what percentage of water was in the hydrate?
5) a 3.0 g sample of Na2CO3*H20 is heated to constant mass. how much anyhydrous salt remains?
6) a 5.0 g sample of Cu(NO3)2*nH2) is heated and 3.9 g of the anyhydrous salt remais. what the value of n?
2)what percentage of water is found in Na2S*9H2O
3) a 5.0 g sample of hydrate of BaCl2 was heated and only 4.3 g of the anyhdrous salt remained. what percentage of water was in the hydrate?
4) a 2.5 g sample of hydrate of Ca(NO3)2 was heated and only 1.7 g of the anyhydrate salt remained. what percentage of water was in the hydrate?
5) a 3.0 g sample of Na2CO3*H20 is heated to constant mass. how much anyhydrous salt remains?
6) a 5.0 g sample of Cu(NO3)2*nH2) is heated and 3.9 g of the anyhydrous salt remais. what the value of n?