Question

if 50 mL of ethanol is added to 450 mL of water, what is the percent by volume of ethanol

Answer 1

Answer:

10%

Explanation:

if we add 450 with 50, the answer is 500 mL. This is the whole amount

divide 500 by 50, the answer is 10.

100% divided by 10 is 10%.

so with the information i can say that:

50= 10%