Home
Class 12
CHEMISTRY
The pH of the resultant solution of 20 m...

The pH of the resultant solution of 20 mL of 0.1 M `H_(3)PO_(4)` and 20 mL of 0.1 M `Na_(3)PO_(4)` is :

A

`pK_(a_1)`

B

`pK_(a_2)`

C

`(pK_(a_1)+pK_(a_2))/2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate 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

Calculate the PH of the resultant mixture : 10 mL of 0.1 M H_2SO_4 + 10 mL of 0.1 M KOH

What will be the pH of a solution formed by mixing 10 ml 0.1 M NaH_(2)PO_(4) and 15 mL 0.1 M Na_(2)HPO_(4) ? ["Given: for "H_(3)PO_(4)pK_(a_(1))=2.12, pK_(a_(2))=7.2]

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)]

Calculate [Cl^(Theta)], [Na^(o+)], [H^(o+)], [overset(Theta)OH] , and the pH of resulting solution obtained by mixing 50mL of 0.6M HCl and 50mL of 0.3M NaOH .

5 g sample contain only Na_(2)CO_(3) and Na_(2)SO_(4) . This sample is dissolved and the volume made up to 250 mL. 25 mL of this solution neutralizes 20 mL of 0.1 M H_(2)SO_(4) . Calcalute the % of Na_(2)SO_(4) in the sample .

The resulting solution obtained by mixing 100 ml 0.1 m H_2SO_4 and 50 ml 0.4 M NaOH will be

Calculate the pH of each of the following solution (i) 100 ml of 0.1 M CH_(3)COOH mixed with 100 ml of 0.1 M NaOH. (ii) 100 ml of 0.1 M CH_(3)COOH mixed with 50 ml of 0.1 m NaOH (iii) 50 ml of 0.1 M CH_(3)COOH mixed with 100 ml of 0.1 M NaOH. K_(a)(CH_(3)COOH)=1.8xx10^(-5)

Calculate the pH of solution obtained by mixing 10 ml of 0.1 M HCl and 40 ml of 0.2 M H_(2)SO_(4)

The pH of the solution obtained on neutralisation of 40 mL 0.1 M NaOH with 40 ml 0.1 M CH_(3)COOH is