[" 35.How much pure alcohol must be added to "400mL" of a "15%" solution to mak "],[" strength "32%?]

How much pure alcohol be added to 400 ml of a 15% solution to make its strength 32%?

How much pure alcohol be added to 400 ml of a 15% solution to make its strength 32%?

How much pure alcohol be added to 400mlofa15% solution to make its strength 32%?

How much pure alcohol has to be added to 400 mL of a solution containing 15% of alcohol to change the concentration of alcohol in the mixture to 32%?

20 mL of a solution of sulphuric acid neutrlise 21.2 mL of 30 % solution of sodium carbonate. How much water should be added to 100 mL of this solution to bring down its strength to decinormal ?

20 mL of a solution of H_2SO_4 neutralises 21.2 mL of 30% solution (w/v) of Na_2CO_3 . How much water should be added to each 100 mL of the solution to bring down its strength to decinormal ?

How much ethyl alcohol must be added to 1.00 L of water so that the solution will not freeze at -4^(@)F ?

A 15% alcohol solution means