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Calculate the [H3O+] of blood, the pH of which is 7.2 (slightly basic). (A) 5 × 10–8 M (B) 6.3 × 10–8 M (C) 5 × 10–9 M (D) 4 × 10–7 M |
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Answer» Correct option: (B) 6.3 × 10–8 M Explanation: As pH = 7.2 so [H3O+] = antilog (–7.2) = 6.3 × 10–8 M |
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