6 c.c. of a 20% solution of alcohol in water is mixed with 4 c.c. of a 60% solution of alcohol in water. The alcoholic strength of the mixture is `20 %` b. `26 %` c. `36 %` d. `40 %`

6c.c. of a 20% solution of alcohol in water is mixed with 4 c.c.of a 60% solution of alcohol in water.The alcoholic strength of the mixture is 20% b.26% c.36% d.40%

60% solution of alcohol has a volume of 70 mL. What is the volume of pure alcohol in the solution ?

A quantity of 30 ml of 20% alcohol is mixed with 20 ml of 25% alcohol. What is the strength of alcohol in the mixture ?

From 5 litres of a 20% solution of alcohol in water,2 litres of solutionl' is taken out and 2 litres of water is added to it.Find the strength of alcohol in the new solution.10% b.12% c.15% d.18%

How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?

A mixture of alcohol and water contains 54% water by mass. Calculate the mole fraction of alcohol in this solution.

A 400 mL solution is 20% alcohol by volume. If 100 mL of water is added, what the new concentration of alcohol, as a percent of volume?

20 cm^(3) of an alcohol is dissoved in 80 cm^(3) of water calculate the percentage of alcohol in the solution