Question

Which of the following solutions will have pH value equal to 1?

a) 50ml of 0.1M HCl + 50ml of 0.1M NaOH

b) 60ml of 0.1M HCl + 40ml of 0.1M NaOH

c) 20ml of 0.1M HCl + 80ml of 0.1M NaOH

d) 75ml of 0.2M HCl + 25ml of 0.2M NaOH​

Answer 1

Answer:

option d

Explanation:

for an example - 75ml of (m/10) HCl+25mlg m/10) NaoH

[H+] = 1 by 100(75 by 10 )- (25 by 10) = 5 by 100

so PH = log 5 by 100= 2-log

5=2-0.698= 1.3