A NaOH solution with a hydronium concentration of 10 to the minus 10 M has a pH of:
A16
B10
C12
D14
Answer & Solution
Correct answer: B. 10
1. pH is the negative logarithm of the hydronium concentration.
2. The negative log of 10 to the minus 10 is 10.
3. So the solution will have a pH of 10.
_Source: NCERT Class 11 Chemistry, Ch 7 'Equilibrium'_
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