thardy69634
thardy69634 thardy69634
  • 23-02-2019
  • Mathematics
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I need step by step answer ​

I need step by step answer class=

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tramserran
tramserran tramserran
  • 23-02-2019

Answer: 10⁻⁸°⁹

Step-by-step explanation:

[tex]pH=log\bigg(\dfrac{1}{[H^+]}\bigg)\\\\\text{use log expansion rules to get:}\\pH=log\ 1-log\ [H^+]\\\\8.9=0\ -\ log\ [H^+]\\\\8.9=-log\ [H^+]\\\\-8.9=log\ [H^+]\\\\\text{use log transformation rules to get the following exponential equation:}\\10^{-8.9}=[H^+][/tex]

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