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what is the pH of 0.00lmoldm3 solution of sodium hydroxide

what is the pH of 0.00lmoldm3 solution of sodium hydroxide
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 14
  • B 13
  • C 12
  • D 11
Correct Answer: Option D
Explanation:
[H+][OH−] = 10 − 4
[H+] =10 − 14 ÷ [OH+]
=10 −14 ÷ (1 × 10 − 3) = 10 − 11
pH = − log10[H+ ]
= − log10[10 − 11] = − 1 × −11
log10[10 − 11] = 1
= − 1 × 11 × 1
= − 11

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