Define a solution. If 10 mL of `H_(2)SO_(4)` are dissolved in 90 mL of water, calculate concentration of solution.

A solution contains 50 mL of alcohol mixed with 150 mL of water. Calculate the concentration of this solution .

A solution contains 50 ml of alcohol mixed with 130 ml of water.Calculate the concentration of this solution.

12.5 g of H_(2)SO_(4) are dissolved in water to make 1250 ml of solution. The concentration in normality is :

12 g of H_(2)SO_(4) are dissolved in water to make 1200 ml of solution. The normality of the solution is

A solution contains 5 mL of alcohol mixed with 75 mL of water. Calculate the concentration of the solution in terms of volume percent.

4.0 g of NaOH and 4.9 g of H_(2)SO_(4) are dissolved in water and volume is made upto 250 mL. The pH of this solution is:

4.0 g of NaOH and 4.9 g of H_(2)SO_(4) are dissolved in water and volume is made upto 250 mL. The pH of this solution is: