What is the concentration in percent by volume, % (v/v) of the following solutions?

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What is the concentration in percent by volume, % (v/v) of the following solutions?

a) 60.0 mL of methanol in a total volume of 500.0 mL

b) 25.0 mL of rubbing alcohol (C3H7OH) diluted to a volume of 200.0 mL with water.

2007-04-01 14:24:08 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

a) % = 60.0/500.0 (100)= 12

b) % = 25/200 (100)= 12.5

2007-04-02 08:25:45 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Definition of Mass % concentration Mass % concentration is defined via fact the mass of the solute in grams greater via a hundred divided via the mass of the answer in grams. mass % = mass of solute (a hundred) / mass of answer

2016-11-25 20:32:45 · answer #2 · answered by ? 4 · 0⤊ 0⤋

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2007-04-01 14:36:08 · answer #3 · answered by 2007_Shelby_GT500 7 · 0⤊ 0⤋