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The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.Calculate the percent copper in pure
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2. asked by Lou
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The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.1. Compute the experimental percent
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2. asked by Lou
3. 1,128 views
A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u is
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2. asked by Amanda
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CompletionTo calculate the percent composition of a known compound, start with chemical formula of the compound and calculate
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2. asked by Bryan
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Calculate the amount of water (in grams) that must be added to (a)5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent
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2. asked by Diana
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calculate the percentage composition in NO2Figure the mol mass of NO2 (atomic mass N + 2*atomic masss O) percent N=
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2. asked by racheal
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Heating 1.124g of an unknown NaHCO3-NaCl mixture resulted ina mass loss of 0.270g.1) Calculate the mass of NaHCO3 present in the
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2. asked by Macey
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A bottle of win contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is .79 g/mL. Calculate the concentration of
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2. asked by Jessica
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calculate the molarity of a copper ii nitrate solution with a density of 1.48 g/ml and a percent mass by mass of 5.20 %
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2. asked by Anonymous
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calculate the mass of sodium sulphate required to prepare its 20%(mass percent) solution in 100 g of water
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2. asked by irsha
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