Editing PercentPurity
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'''Percent Purity''' = (Mass of pure substance / Mass of total sample) x 100% '''''Example''''' What is the percent purity of a sample of gold if the total mass of the sample is 132g and the mass of pure gold in the sample is 84g? Answer: (84g/132g) x 100% = 63.6% = 64% '''Percent Impurity''' = (Mass of impure substance / Mass of total sample) x 100% '''''Example''''' What is the percent impurity of a sample of 210g silver if the mass of pure silver is 43g? Answer: 210g-43g =167g of impure substance (167g/210g) x 100% = 79.5 = 80%
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