`0.63` grams of di-basic acid required `50ml` of `0.2M` `NaOH` for neutralisation. Calculate the molar mass of acid.

Calculate the molar mass of Phosphoric acid

0.075 g of a monobasic acid required 10 mL of N//12 NaOH solution for complete neutralisation. Calculate the molecular mass of the acid

0.16 gm of a dibasic organic acid required 25.0 ml of (N)/(10)NaOH for complete neutralisation. Calculate its molucular mass.

0.14 gm of an acid required 12.5 ml of 0.1 N NaOH for complete neuturalisation.The equivalent mass of the acid is:

0.303 g of an organic compound was analysed for nitrogen by Kjeldahl's method. The ammonia evolved was absorbed in 50 ml of 0.1 N H_2 SO_4 . The excess acid required 25 ml of 0.1 N NaOH for neutralisation. Calculate the percentage of nitrogen in the compound.

0.126 g of acid required 20 mL of 0.1 N NaOH for complete neutralisation. The equivalent mass of an acid is

0.16 g of dibasic acid required 25 ml of decinormal NaOH solution for complete neutralisation. The molecular weight of the acid will be

0.45 gm of an organic compound gave on combution 0.792 gm of CO_2 and 0.324gm of water. 0.24 gm of the same substance was Kjeldahlised and the ammonia liberated was absorbed in 50.0 ml of (M)/(8H_2SO_4) . The excess acid required 77.0 ml of (N)/(10)NaOH for complete neutralisation. Calculate the empirical formula of the compound.

0.2 g of a monobasic acid gave 0.5 g of CO_2 and 0.089 g of H_2 O . 0.122 g of the same acid requires 10 mL of 0.1 N NaOH for complete neutralisation. Determine the molecular formula of the compound.

50 ml of water sample, containing temporary hardness only, required 0.1 ml of M/50 HCl for complete neutralisation. Calculate the temporary hardness of water in ppm.