What is the pH of a solution in which [H+] = 1 x 10^-4 mol/L?
Answer and explanation
Correct answer: D. 4
- Step 1: pH = -log[H+].
- Step 2: pH = -log(10^-4) = 4.
Answer
4.
Why not the others: 10 is the pOH at 25 C; -4 loses the minus sign in the definition; 11 has no basis in the definition.
Practise more Acids and bases.
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