What are the concentrations of h3o+ and oh− in tomatoes that have a ph of 4.22?

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21-06-2018
Chemistry

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What are the concentrations of h3o+ and oh− in tomatoes that have a ph of 4.22?

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mkryukova19 mkryukova19 · Answer 1 · 2018-06-21T08:57:54+02:00

mkryukova19 mkryukova19

21-06-2018

[tex]pH = - log [H_{3}O^{+}] \\ \\ -pH=log [H_{3}O^{+}] \\ \\ \ [H_{3}O^{+}]=10^{-pH}=10^{-4.22}= 6.03*10^{-5}M \\ \\ \ [H_{3}O^{+}]*[OH^{-}]=10^{-14} \\ \\ \ [OH^{-}] = 10^{-14}/[H_{3}O^{+}]= 10^{-14}/6.03*10^{-5}=1.66*10^{-10} M [/tex]

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