14. Solving a chemistry problem
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14. Solving a chemistry problem
142. What is the molar concentration of the equivalent of a 30% NaOH solution with a density of 1.328 g/cm3? To 1 liter of this solution was added 5 liters of water. Calculate the mass (percentage) fraction of the resulting solution. Answer: 9.96 n.; 6.3%.
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