Question
How much ethanol must be used to prepared 150 mL 10% by volume?
Answers
DrBob222
10% by volume means 10mL ethanol/100 mL solution. You want 150 mL so
10 mL ethanol x (150/100) = ? mL ethanol required.
10 mL ethanol x (150/100) = ? mL ethanol required.