What is the ph of a solution using equilibrium concentration

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The Ka for HCHO2 (formic acid) is 1.8x10-4 . What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.

Reference no: EM13231445

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