Ph of aqueous solution is 4. What is H+ in scientific and decimal. Also [OH]- in scientific notation. Is this solution acidic or basic?

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  • 1 month ago

    pH = -log[H⁺] = 4

    [H⁺] = 10⁻⁴ M = 1 × 10⁻⁴ M = 0.0004 M

    [OH⁻] = Kw / [H⁺] = (1 × 10⁻¹⁴) / (1 × 10⁻⁴) M = 1 × 10⁻¹⁰ M

    Since [H⁺] > [OH⁻], the solution is acidic.

    • Trevor H
      Lv 7
      1 month agoReport

      [H⁺] = 10⁻⁴ M = 1 × 10⁻⁴ M = 0.0004 M  NO
      1*10^-4 = 0.0001M

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