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pochemuha
4 years ago
9

When looking at the equilibrium between silver bromide and its aqueous ions, what could be added to solution to promote precipit

ation of silver bromide?
Chemistry
1 answer:
jeka57 [31]4 years ago
5 0

Answer:

NaBr

Explanation:

When AgBr is dissolved in water, the following equilibrium is set up in solution;

AgBr(s)⇄Ag^+(aq) + Br^- (aq)

If we dissolve NaBr in the water, a common ion (Br^-) is now introduced into the system. This increases the concentration of Br^- and favours the reverse reaction hence more AgBr is precipitated. This is known as common ion effect.

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