The pH of a popular soft drink is 3.4, what is its hydronium ion concentration? a. 5.0 x 10^-4 Mb. 4.0 x 10^-4 Mc. 2.5 x 10^3 M d. 1.0 x 10^-7 Me. 5.0 x 10^-5 M

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asked Mar 19, 2023 8.9k views

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The pH of a popular soft drink is 3.4, what is its hydronium ion concentration? a. 5.0 x 10^-4 Mb. 4.0 x 10^-4 Mc. 2.5 x 10^3 M d. 1.0 x 10^-7 Me. 5.0 x 10^-5 M

Chemistry
college

Yunxia asked

by Yunxia

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pH is given by the following:

$\begin{gathered} pH=-log[H_3O^+] \\ [H_3O^+]=10^(-pH) \\ [H_3O^+]=10^(-3.4) \\ [H_3O^+]=3.98*10^(-4)M\cong4.0*10^(-4)M \end{gathered}$

Answer: B) 4.0x10^-4M

Jason Prawn answered Mar 24, 2023

by Jason Prawn

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