Homework Help: chemistry

Posted by uci student on Tuesday, May 4, 2010 at 7:36pm.

What is the molarity of H3O+ in a 4.97×10-2 M NH4Cl solution that hydrolyzes according to the equation.

NH4+(aq) + H2O(l) = H3O+(aq) + NH3(aq)

chemistry - DrBob222, Tuesday, May 4, 2010 at 7:58pm
You have the equation. Set up an ICE chart and calculate H3O^+.
You will need Ka for NH4^+ and it can be calculated from Ka = Kw/Kb where Kw = 1 x 10^-14 and Kb = 1.8 x 10^-5.

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