JEE Main Chemistry question
An aqueous solution contains a substance which yields 4×10⁻³ mol litre⁻¹ of H₃O⁺. If log2=0.3010, the pH of the solution is:
Answer: (B)
Solution
pH=−log(4×10⁻³)=3−2log2=3−0.602=2.398.
An aqueous solution contains a substance which yields 4×10⁻³ mol litre⁻¹ of H₃O⁺. If log2=0.3010, the pH of the solution is:
pH=−log(4×10⁻³)=3−2log2=3−0.602=2.398.