JEE Main Chemistry question
The pH of the solution produced when an aqueous solution of strong acid pH 5 is mixed with equal volume of an aqueous solution of strong acid of pH 3 is:
Answer: (A)
Solution
[H⁺]avg=(10⁻⁵+10⁻³)/2≈5×10⁻⁴; pH=3.3.
The pH of the solution produced when an aqueous solution of strong acid pH 5 is mixed with equal volume of an aqueous solution of strong acid of pH 3 is:
[H⁺]avg=(10⁻⁵+10⁻³)/2≈5×10⁻⁴; pH=3.3.