JEE Main Chemistry question

Chemistry Equilibrium JEE Main

The [H₃O⁺] in rain water of pH=4.35 is:

(A)4.5×10⁻⁵ MCorrect
(B)6.5×10⁻⁵ M
(C)9.5×10⁻⁵ M
(D)12.5×10⁻⁵ M

Answer: (A)

Solution

[H⁺]=10⁻⁴·³⁵=4.47×10⁻⁵ M.

Question ID VK-136245