chem 105

At 25 degree celsius, what is the hyronium ion concentration in 0.100 M chloroacetate acid?

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  1. If we shorten chloroacetic acid to HC, then
    ..........HC ==> H^+ + C^-
    initial...0.100M..0.....0
    change.....-x......x.....x
    equil....0.100-x....x....x

    Ka = (H^+)(C^-)/(HC)
    Look up Ka, substitute from the ICE chart above and solve for H^+.

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