# Calculate Percent Purity?

You can calculate the percent purity by dividing the mass of the pure product by the mass of the impure product. This figure must then be multiplied by 100% to determine the overall purity of the product.
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 2 KClO3 → 2 KCl + 3 O2. (4.53 g O2) / (31.9989 g O2/mol) x (2/3) x (122.5498 g KClO3/mol) / (15 g) = 0.77 = 77% KClO3. http://answers.yahoo.com/question/index?qid=201110...
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2 KClO3 → 2 KCl + 3 O2 (4.53 g O2) / (31.9989 g O2/mol) x (2/3) x (122.5498 g KClO3/mol) / (15 g) = 0.77 = 77% KClO3 ...
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