50 ml solution of pH = 1 is mixed with 50 ml solution of pH = 2. The pH of the mixture will be ______

Answer

1.26

Explanation

`[H^(+)] = ((10^(-1) xx 50) + (10^(-2) xx 50))/(100)`
`= (5 + 0.5)/(100) = (5.5)/(100) = 0.055`
`pH = 2 - log 5.5 = 1.26`