👤
Yuzu0250go
Answered

if you have 100 millilitres of a 30.0% aqueous solution of ethanol, what volume of ethanol and water are in the solution?

a. Volume of ethanol=30mL
Volume of water=70mL

b. Volume of ethanol=25mL
Volume of water=75mL

c. Volume of ethanol=70mL
Volume of water=30mL

d. Volume of ethanol=75mL
Volume of water=25mL​

Sagot :

Katherineostango

Answer:A.Volume of ethanol=30mLVolume of water=70mL

Explanation:You want to end up with 100ml of liquid, 30% of which is alcohol. 30% of 100ml is 30/100 100 = 30 ml. Thus you need 30 ml of alcohol and 70 ml of water.

Go Training: Other Questions