kstadler5671 kstadler5671

25-05-2023
Chemistry

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I. Determination of Ka of acetic acid
A. Measure out 10.0 mL of 1.0 M acetic acid (CH3COOH) into a beaker.
1. Measured pH of the solution _2.50pH
2. Calculate the H3O+ at equilibrium for this solution. (include units) _ H3O+eq
3. Calculate the CH3COO- at equilibrium for this solution. (include units) CH3COO-eq
4. What is the CH3COOH at equilibrium for this solution? (include units) CH3COOHeq
5. Based on these values, what the acid dissociation constant (Ka) of acetic acid? (include units) Ka
6. How does the value you calculated in question 5 compare to the reported acid dissociation constant for acetic acid? What is the percent error between your value and the reported value? What are some of the possible sources of this error? % error

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