Problem: You have to prepare a pH 5.05 buffer, and you have the following 0.10M solutions available: HCOOH, HCOONa, CH3COOH, CH3COONa, HCN, and NaCN.Which solutions would you use?

🤓 Based on our data, we think this question is relevant for Professor Woods' class at APP STATE.

FREE Expert Solution

We are asked to choose among the given 0.10 M solutions available the solutions suitable in preparing a buffer at pH 5.05.

Recall that we can calculate the pH of a buffer using the Henderson-Hasselbalch equation:

pH = pKa+log[Conjugate Base][Weak Acid]

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Problem Details

You have to prepare a pH 5.05 buffer, and you have the following 0.10M solutions available: HCOOH, HCOONa, CH3COOH, CH3COONa, HCN, and NaCN.

Which solutions would you use?

Frequently Asked Questions

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 Buffer concept. You can view video lessons to learn Buffer. Or if you need more Buffer practice, you can also practice Buffer practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Woods' class at APP STATE.