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22 May, 22:03

Show that an aqueous solution with a pH of 5 has a hydroxide ion

concentration of 1*10^9M

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  1. 22 May, 22:22
    0
    pH + pOH = 14

    5 + pOH = 14

    pOH = 9

    pOH = - log ([OH⁻])

    9 = - log ([OH⁻])

    -9 = log ([OH⁻])

    1*10⁻⁹ = [OH⁻]
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