Chemistry, 07.10.2019 04:00, brookephillips1099
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?
Answers: 3
![pH=-\log[H^+]](/tpl/images/0295/9514/cf945.png)
![11.2=-\log[H^+]](/tpl/images/0295/9514/fa6ad.png)
![[H^+]=6.3095\times 10^{-12} mol/L](/tpl/images/0295/9514/45392.png)
![pH=-\log[H^+]'](/tpl/images/0295/9514/8468d.png)
![2.4=-\log[H^+]'](/tpl/images/0295/9514/13966.png)
![[H^+]'=0.39810 mol/L](/tpl/images/0295/9514/00ede.png)
![[H^+]'[H^+]](/tpl/images/0295/9514/81a76.png)
![[H^+]'-[H^+]=0.39810 mol/L-6.3095\times 10^{-12} mol/L=0.0039809 mol/L=3.9809\times 10^{-3} mol/L](/tpl/images/0295/9514/79396.png)
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