ch13q6

ch13q6


A student takes a sample of an unknown weak acid and splits it up into two parts. One third she neutralizes with strong base, the other two thirds she leaves alone. Then she mixes the two together, the neutral third and the un-neutralized two thirds. The resultant pH of the solution is 5.285. What is Ka for the acid?

Choose your answer in scientific notation, e.g., ±1.000x10±00
. x 10{ }

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