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)]`
Calclate pH of a resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0.02 M HNO_(3) and 25 mL of 0.1M NaOH
The molarity of a solution obtained by mixing 750 mL of 0.5 M HCl with 250 mL of 2M HCl will be
Calculate the pH of 0.2 M H_2SO_4 .
What is the pH of a solution in which 10.0 mL of 0.010 M Sr(OH)_(2) is added to 10.0 mL of 0.010 M HCl?
Select the best indicator from the given table for titration of 20 mL of 0.02 M CH_(3)COOH with 0.02 M ,20ml of NaOH. Given pK_(a) (CH_(3)COOH)=4.74 {:(,"Indicator","pH range") : I ("Bromothymol blue",6.0-7.6), II ("Thymolphthalein",9.3-10.5), III ("Malachite green",11.4-13), IV ("M-Cresol purple",7.4-90):}
Calculate [H^(+)] at equivalent point between titration of 0.1 M, 25 mL of weak acid HA (K_(a) (HA)=10^(-5)) with 0.05 M, 50ml of NaOH solution:
What is the pH of solution in which 25.0 mL of 0.1 M NaOH is added to 25 mL of 0.08 M HCl and final solution is diluted to 500 mL?
Calculate pH of a resultant solution of 0.1 M HA (K_(a)=10^(-6)) and 0.45 M HB (K_(a)=2xx10^(-6)) at 25^(@)C.
What will be the pH of an aqueous solution of 1.0 M ammonium formate? Given : pK_(a)=3.8 and pK_(b)=4.8
What is the molarity of 0.2N Na_2CO_3 solution ?
NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Assertin-Reason Type Questions