randomgirl
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1. What percentage of water is found in CuSO4 . 5H20 ?
2. What percentage of water is found in Na2S . 9H20 ?
3. A 5.0g sample of a hydrate of BaCL2 was heated, and only .g of the anhydrous salt remained. What percentage of water was in the hydrate?
4. A 2.5g SAMPLE OF A HYDRATE OF Ca(NO3)2 was heated, and only 1.7g of the anhydrous salt remained. What percentage of water was in the hydrate?
5. A 3.0g sample of Na2CO . H20 is heated to constant mass. How much anhydrous salt remains?
6. A 5.0g sample of Cu(NO3)2 . nH20 is heated, and 3.9g of the anhydrous salt remains. What is the value of n?
2. What percentage of water is found in Na2S . 9H20 ?
3. A 5.0g sample of a hydrate of BaCL2 was heated, and only .g of the anhydrous salt remained. What percentage of water was in the hydrate?
4. A 2.5g SAMPLE OF A HYDRATE OF Ca(NO3)2 was heated, and only 1.7g of the anhydrous salt remained. What percentage of water was in the hydrate?
5. A 3.0g sample of Na2CO . H20 is heated to constant mass. How much anhydrous salt remains?
6. A 5.0g sample of Cu(NO3)2 . nH20 is heated, and 3.9g of the anhydrous salt remains. What is the value of n?