Problem: Propionic acid, C2H5CO2H (Ka = 1.34 × 10−5), is used in the manufacture of calcium propionate, a food preservative. What is the hydronium ion concentration in a 0.698-M solution of C2H5CO2H?

🤓 Based on our data, we think this question is relevant for Professor Jones' class at Saint Louis Community College.

FREE Expert Solution

Dissociation: C2H5CO2H (aq) + H2O(l)  H3O+(aq) + C2H5CO2- (aq)


ICE CHART:




Ka expression:


Ka=productsreactants=[H3O+][C2H5CO2-][C2H5CO2H]


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Problem Details

Propionic acid, C2H5CO2H (Ka = 1.34 × 10−5), is used in the manufacture of calcium propionate, a food preservative. What is the hydronium ion concentration in a 0.698-M solution of C2H5CO2H?

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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.

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Based on our data, we think this problem is relevant for Professor Jones' class at Saint Louis Community College.

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Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.