Calculate approximate pH of the resultant solution formed by titration of 25 mL of 0.04 M `Na_(2)CO_(3)` with 50 mL of 0.025 M HCl. `[Given : pK_(a1)=6.4 and pK_(a2)=10.3 for H_(2)CO_(3)]`
The pH of the resultant solution of 20 ml of 0.1 M H_3PO_4 and 20 ml 0.1 M Na_3PO_4 is
Calculate the p of solution obtained by mixign 10 ml fo 0.1 M HCl and 40 ml off 0.2 M H_(2)SO_(4) .
Calculate the pH of a solution which contains 100 ml of 0.1 H HCl and 9.9 ml of 1.0 M NaOH.
Calculate the molarity of a mixed solution by adding 150 ml of 0.1M HCl to 200 ml of 0.2 M HCl solution.
Find the mass of Na_(2)CO_(3) required to prepare 3250 ml of 0.5N solution.
Calculate the pH of the resultant mixture : 10mL of 0.2M Ca(OH)_(2)+25mL of 0.1MHCl (b) 10mL of 0.01M H_(2)SO_(4)+10mL of 0.01 M Ca(OH)_(2) (c) 10mL of 0.1MH_(2)SO_(4)+10mL of 0.1MKOH
Calculate the mass of Na_(2)CO_(3) required to prepare 250 ml of 0.5 N solution.
The Molarity of 200 ml of HCl solution which can neutralise 10.6 g. of anhydrous Na_(2)CO_(3) is
Calculate the pH of the solution in which 0.2M NH_(4)Cl and 0.1M NH_(3) are present. The pK_(b) of ammonia solution is 4.75 .
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions