Question
Question: The pH of a solution obtained by mixing 50 ml of 0.4 N HCl and 50 ml of 0.2 N NaOH is :...
The pH of a solution obtained by mixing 50 ml of 0.4 N HCl and 50 ml of 0.2 N NaOH is :
A
13
B
12
C
1.0
D
2.0
Answer
1.0
Explanation
Solution
HCI NaOH
N = 0.4N = 0.2
V = 50 ml V = 50 ml
No. of milieq =0.4 × 50= 20 0.2 × 50 = 10
[H+] = 0.1 M, pH = 1