JAMB - Chemistry (2020 - No. 21)
A few drop of conc HCL are added to about 10cm\(^3\) of a solution of PH 3.4. The PH of the resulting mixture is?
less than 3.4
greater than 3.4
unaltered
the same as that of the pure water
Giải thích
The addition of conc HCL makes the solution more acidic and the solution falls below the original value