Calculate the mass percent concentration

  1. An aqueous solution of Na2SO4 has a molal concentration of 0.293 mol kg-1. Its density is 1.0350 g mL-1.Calculate the molar
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    2. write2khin asked by write2khin
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  2. Calculate the concentration of the solution in mass percent: 122 g KCl in 628 g H2O.
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    2. Kelsey G asked by Kelsey G
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  3. A hospital saline solution is analyzed to confirm its concentration. A 60.0 mL sample with a mass of 50.443 g is evaporated to
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    2. Harry asked by Harry
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  4. Calculate the concentration of the solution in mass percent: 32.3 mg KNO3 in 2.44g of H2O.
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    2. Kelsey G asked by Kelsey G
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  5. Calculate the concentration of the solution in mass percent: 9.95 g C2H6O in 65.1 g H2O.
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    2. Kelsey G asked by Kelsey G
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  6. 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. Jessica asked by Jessica
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  7. Calculate the mass percent concentration of a solution made by dissolving 5.00g of NaCl in 25.0g of water?I got 5.00g/25.0g=0.2
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    2. Sarah asked by Sarah
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  8. Calculate the concentration, in percent by mass, of a refrigerant brine solution which is 4.03 M in NaCl with a density of 1.116
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    2. keely asked by keely
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  9. bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of
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    2. Lawrence asked by Lawrence
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  10. A bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration
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    2. Lawrence asked by Lawrence
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