Posted by **Kathie** on Tuesday, May 4, 2010 at 5:16pm.

the volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is ______?

A. 372 mL

B. 40 mL

C. 248 mL

D. 580 mL

- Chemistry(URGENT, PLEASE HELP!) -
**DrBob222**, Tuesday, May 4, 2010 at 5:36pm
What's the definition?

(volume alcohol/volume solvent)x 100 = 40

Substitute and solve for volume alcohol.

- Chemistry -
**drwls**, Tuesday, May 4, 2010 at 5:39pm
Think about what 40% of 620 is, and the URGENCY should go away.

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