Calculating equilibrium concentration of NH3
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- We have an 8.67 M solution of ammonium bromide in water ---- so NH4Br + H2O
- I need to work through and quantify the dissociation reaction to ammonia NH3
I can see that we have NH4Br + H2O = NH4OH + HBr
Then....is the next dissociation NH4 + OH-
Or do we get NH4OH = NH3 + H2O
Bottom line is that I need to be able to predict the precise molar concentration of NH3 in this solution.
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Solution Summary
The equilibrium concentration of NH3 is calculated knowing the initial concentration of NH4Br.
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Ok, so the first step is the dissociation of NH4Br
NH4+Br- + H2O -----> NH4+ (aq) + Br- (aq)
8.67M 8.67M 8.67M
Now NH4+ will dissociate in water
NH4+ + H2O <-------> ...
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