50 gm of a sample of `Ca(OH)_(2)` is dissolved in 50 ml of 0.5 N HCl solution. The excess of HCl was titrated with 0.3N NaOH. The volume of NaOH used was 20cc. Calculate % purity of `Ca(OH)_(2)`.

10 g of a sample of Ca(OH)_2 is dissolved in 10 mL of 0.5 N HCL solution . The excess of HCl was titrated with 0.2 N NaOH. The volume of NaOH used was 10 cc. Calculate the percentage of Ca(OH)_2 in the sample.

20g . Of a sample of Ba( OH)_(2) is dissolved in 50ml. of 0.1 N HCl solution . The excess of HCl was titrated with 0.1 N NaOH. The volume of NaOH used was 20cc. Calculate the percentage of Ba(OH)_(2) in the sample.

10 g of a sample of Ba(OH)_(2) is dissolved in 10 ml of 0.5 N HCl Solution : The excess of HCl was titrated with 0.2 N NaOH. The volume of NaOH used was 20 cc. Calculate the percentage of Ba(OH)_(2) in the sample.

20g of a sample of Ba(OH)_(2) is dissolved in 10ml of 0.5N HCI solution. The excess of HCI was titrated with 0.2N NaOH . The volume of NaOH used was 10 c c. Calculate the percentage of Ba(OH)_(2) in the sample.

12.825 gm of a sample of Ba(OH)_(2) is dissolved in 10 ml of 0.5 N HCl solution. The excess of HCl was titrated with 0.2 N NaOH . The volume of NaOH used was 10 c c . The percentage of Ba(OH)_(2) in the sample is

20 gm of sample Ba(OH)_(2) is dissolved in 10 ml of 0.5 N HCl solution, The excess of HCl was titrated with 0.2N NaOH. The volume of NaOH used was 10 ml. Calculate the % of Ba(OH)_(2) in the sample.

20 gm of sample Ba(OH)_(2) is dissolved in 10 ml of 0.5 N HCl solution, The excess of HCl was titrated with 0.2 NaOH. The volume of NaOh used was 10 mol. Calculate the % of Ba(OH)_(2) in the sample.

20g of sample containing Ba(OH)_(2) is dissolved in 10 ml of 0.5 M HCl solution. The excess of HCl was then titrated against 0.2 M NaOH. The volume of NaOH used in the titration was 10 ml. Calculate the percentage of Ba(OH)_(2) in the sample. (Mol. wt. of Ba(OH_(2))=171)

0.50 g sample of impure CaCO_3 is dissolved in 50 ml of 0.0985 (N) HCl. After the reaction is complete, the excess HCl required 6 ml of 0.105N NaOH for neutralisation. The percentage purity of CaCO_3 in the sample is