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16 January, 17:17

Acids have a high concentration of ...

a

C ions

b

H2O

c

OH - ions

d

H + ions

+1
Answers (1)
  1. 16 January, 17:20
    0
    Acids have a high concentration of [H⁺] ions

    Explanation:

    In order to know about the acids, a solution is acidic when pH < 7

    As pH is lower than 7, the pOH > 7

    When pH = 7, solution is neutral

    When pH is greater than 7, solution is basic

    pH = - log [H⁺]

    pOH = - log [OH⁻]

    Imagine a solution of pure HCl 0.2 M

    HCl → H⁺ + OH⁻

    [H⁺] = 0.2 M → pH = - log 0.2 → 0.69

    pH + pOH = 14

    pOH = 14 - 0.69 = 13.31

    10^-pOH = [OH⁻] → 10⁻¹³°³¹ = 4.89ₓ10⁻¹⁴

    In conclussion [H⁺] > [OH⁻]
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