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Lena [83]
4 years ago
13

Is a ph = 7.25 solution acidic, basic, or neutral at 0 °c?

Chemistry
1 answer:
Ilya [14]4 years ago
4 0
Answer is: solution is acidic, because pH value is less than 7,46.
The Kw (the ionic product for water) at 0°C is 0,12·10⁻¹⁴ mol²/dm⁶.
Kw = [H⁺] · [OH⁻<span>].
</span>[H⁺] = [OH⁻] = √0,12·10⁻¹⁴ mol²/dm⁶.
[H⁺] = [OH⁻] = 3,5·10⁻⁸ mol/L.
pH = -log[H⁺].
pH = -log(3,5·10⁻⁸ mol/L).
pH = 7,46; neutral solution on 0°C.
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