Equal volumes of three acid solutions of pH 3,4 and 5 are mixed in a vessel. What will be the H ⁺ ion concentration in the mixture?

Step-by-step solution

N ₁ ~V ₁+ N ₂ ~V ₂+ N ₃ ~V ₃= N _ m V _ m or 10⁻³ 1+10⁻⁴ 1+10⁻⁵ 1= N _ m 3 or 1.11 10⁻³= N _ m 3 or N _ m =0.37 10⁻³ [ H ⁺ ]=3.7 10⁻⁴ M