1.575 g of oxalic acid `(COOH)_2. xH_2O` are dissolved in water and the volume made upto 250 mL. On titration 16.68 mL of this solution requires 25 mL of N/15 NaOH solution for complete neutralization. Calculate x.

8g NaOH is dissolved in water and the solution is made upto 500 mL. find the molarity of solution.

0.592 g of calcium oxalate was dissolved in dilute acid and the solution was made up to 250 mL. 25 mL of this solution required 8.375 mL of 0.1 N KMnO_4 solution for complete oxidation. Calculate the percentage of calcium oxalate in calcium oxalate sample.

1.325 g of anhydrous sodium carbonate is dissolved in water and the solution is made up to 250 mL. On titration 25 mL of this solution neutralises 20 mL of a solution of H_2SO_4 . HOW much water should be added to 450 mL of this acid solution to make it exactly N/12 ?

0.63 g of dibasic acid was dissolved in water. The volume of the solution was made 100 mL. 20 mL of this acid solution required 10 mL N/5 NaOH solution. What is the normality of acid.

2.75 g Na_2CO_3.xH_2O is dissolved in water and diluted upto 250 ml. 10 ml of this solution is completely neutralised with 15 ml (N/19.5) HCI. The value of x is

Find the volume (in mL) of 0.2 (N) NaOH solution required to neutralise 25 mL of 0.2(N) H_(2)SO_(4) solution.

2.0g of polybasic organic acid(Molecular wt. = 600) required 100 mL of a M/6 NaOH solution for complete neutralisation. Find the basicity of acid.

0.16g of N_2H_4 are dissolved in water and the total volume made upto 500ml. Calculate the percentage of N_2H_4 that has reacted with water in this solution. The K_b for N_2H_4 is 4xx10^-6 M

9.8 g of H_2SO_4 is present in 500 mL of the solution. Calculate the pH of the solution.