What is the molarity of a 25.0% (v/v) aqueous isopropyl alcohol solution The density of isopropyl alcohol (C3H8O, molar mass 60.1 g/mol) is 0.786 g/mL. Question 6 answers?

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Answered: What is the molarity of an aqueous solution that is 5.88% NaCl by mass

In order. 5.88% means 5.88/100 = 0.0588 ------------ NaCl = 58.44 grams/mol * 0.0588 = 3.436 grams -----------------Now 1.02 grams/ml = 3.436 grams/X ml X ml = 3.436/1.02 = 3.3686 ...

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If The mass of M in M2O is 63% then ONE M is 31.5% and the mass of O is 37% Percentage is by mass. You can use the percent as mass for the second part of the proglem. Assume the compound M2O has a mass of 100 g. Then M = 31.5 g, and O=37g. The mass of the compound MO would be: 31.5 g + 37g = 68.5 ...

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