Problem: The beaker on the right contains 0.1 M acetic acid solution with methyl orange as an indicator. The beaker on the left contains a mixture of 0.1 M acetic acid and 0.1 M sodium acetate with methyl orange.Which solution is better able to maintain its pH when small amounts of NaOH are added? Explain.

FREE Expert Solution

We are asked which solution is better able to maintain its pH when small amounts of NaOH are added?

What we basically have here is:

  • Solution A: acetic acid (Weak acid)
  • Solution B: acetic acid (Weak acid) and sodium acetate (conjugate base)
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Problem Details

The beaker on the right contains 0.1 M acetic acid solution with methyl orange as an indicator. The beaker on the left contains a mixture of 0.1 M acetic acid and 0.1 M sodium acetate with methyl orange.
The left beaker contains a yellow solution and the right beaker contains a purple/pink solution.

Which solution is better able to maintain its pH when small amounts of NaOH are added? Explain.

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 Acid Base Indicators concept. If you need more Acid Base Indicators practice, you can also practice Acid Base Indicators practice problems.

What professor is this problem relevant for?

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