2nd October 2019


What is the value of Ka for acetic acid?

The Ka value for acetic acid, CH3COOH(aq), is 1.8x10^-5. Calculate the ph of a 2.80 M acetic acid solution.

Just so, what is the Ka of ammonium chloride?

Example: Calculate the ratio of ammonium chloride to ammonia that is required to make a buffer solution with a pH of 9.00. The Ka for ammonium ion is 5.6 x 10-10. First, write the equation for the ionization of the ammonium ion in water and the corresponding Ka expression.
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