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maxonik [38]
3 years ago
7

certain solution has [OH-] = 4 x 10-3. Calculate the concentration of [H3O+] and the pH of the solution

Chemistry
1 answer:
mr_godi [17]3 years ago
7 0
Kw = 1 x 10⁻¹⁴

<span>Kw = [ H₃O⁺] [ OH⁻]   
</span>
1 x 10⁻¹⁴ = [ H₃O⁺] * 4 x 10⁻³

[H₃O⁺] = 1 x 10⁻¹⁴ / 4 x 10⁻³

[H₃O⁺] = 2.5 x 10⁻¹² M

hope this helps!


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