anonymous
  • anonymous
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? a) 1.6*10^-9 b) 4.0*10^-3 c)6.7*10^-1 D)1.6*10^-11
Mathematics
chestercat
  • chestercat
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mathmate
  • mathmate
hints: pH=-log[H+] (log base 10) take the inverse [H+]=10^(-pH) So you can calculate [H+] for each case and take the difference.
mathmate
  • mathmate
hints: pH=-log[H+] (log base 10) take the inverse [H+]=10^(-pH) So you can calculate [H+] for each case and take the difference. Btw, posting this under chemistry will get faster response.

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