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n200080 [17]
3 years ago
7

If I give my teacher chocolate, then she will give me less homework because she will be happier

Chemistry
1 answer:
Softa [21]3 years ago
6 0
Good idea!maybe I should try that
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"NH4+ <----> NH3 + H+  

The constant of this equilibrium is: K = Kw / Kb = 1 x 10^-14 / 1.8 x 10^-5 =5.56 x 10^-10  

5.56 x 10^-10 = x^2 / 0.20-x  

x = [H+] =1.1 x 10^-5 M  

pH = 5.0"

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