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Chemical Formulas and Stoichiometry

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what is the theoretical percent of water in CuSO4 x's 5H2O?
1. 4 answers
2. asked by sam
3. 1,599 views
A sample of toluene, C7H8 has a mass of 74.5 g.How many carbon atoms does it contain? How many hydrogen atoms does it contain?
1. 2 answers
2. asked by Joyce
3. 825 views