1. In making alcoholic drinks different amounts of alcohol are mixed with H2O. What concentration in % by volume, would an alcoholic drink have if 0.120 L of ethanol is mixed with 220 mL H2O?
1. In making alcoholic drinks different amounts of alcohol are mixed with H2O. What concentration in % by volume, would an alcoholic drink have if 0.120 L of ethanol is mixed with 220 mL H2O?
2. NaOH is commonly used to produce paper, dyes and soap. Calculate the mole fraction of NaOH in a solution containing 780 g of NaOH that was dissolved in 3.00 kg of water. The MM of NaOH is 40.0 g/ml.
3. A solution was made by dissolving 700 g of Na2SO4 in 0.5 kg of H2O. Calculate the mole fraction of Na2SO4. The molar mass of Na2SO4 is 142.05 g/mol.
4. Mrs. Alvarez assigned you to prepare a solution of 2.44 molal H2SO4 solution. What mass of H2SO4 in grams, you must be dissolved to .180 kg H2O to produce the desired molal solution? MM of H2SO4 is 98.8 g/mol
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