Problem: Calculate the Ka of an 0.10 M formic acid (HCOOH) solution which has a pH of 2.38 at 25°C? a. 1.00 x 10-2 b. 1.74 x 10-5 c. 1.74 x 10-4 d. 4.35 x 10-2 e. 1.82 x 10-4 

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Problem Details

Calculate the Ka of an 0.10 M formic acid (HCOOH) solution which has a pH of 2.38 at 25°C? 

a. 1.00 x 10-2 

b. 1.74 x 10-5 

c. 1.74 x 10-4 

d. 4.35 x 10-2 

e. 1.82 x 10-4 

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Weak Acids concept. If you need more Weak Acids practice, you can also practice Weak Acids practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.