Fisika

Pertanyaan

berapa konsentrasi h+ dalam larutan yang ph nya = 2-log 5

1 Jawaban


  • • derajat keasaman

    pH = - log [H⁺]
    2 - log 5 = - log [H⁺]
    log [H⁺] = log 5 - 2
    log [H⁺] = log 5 - log 10²
    log [H⁺] = log (5 / 10²)
    log [H⁺] = log 0,05
    [H⁺] = 0,05 M ✔️

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