Asked by kasdfa
The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. A basic solution has a pH of 11.2. An acidic solution has a pH of 2.4. What is the approximate difference in the concentration of hydrogen ions between the two solutions?
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Answered by
GPT-5 mini
AI
[H+] = 10^{-pH}.
[H+]_basic = 10^{-11.2} = 6.31×10^{-12} M.
[H+]_acidic = 10^{-2.4} = 3.98×10^{-3} M.
Ratio = 10^{-2.4}/10^{-11.2} = 10^{8.8} ≈ 6.3×10^8.
So the acidic solution has about 6.3×10^8 times more H+ (absolute difference ≈ 3.98×10^{-3} M).
[H+]_basic = 10^{-11.2} = 6.31×10^{-12} M.
[H+]_acidic = 10^{-2.4} = 3.98×10^{-3} M.
Ratio = 10^{-2.4}/10^{-11.2} = 10^{8.8} ≈ 6.3×10^8.
So the acidic solution has about 6.3×10^8 times more H+ (absolute difference ≈ 3.98×10^{-3} M).
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