Problem: Rank the solutions below in order of increasing acidity:0.01 M CH3COOH3 M NH30.01 M H2SO40.1 M HCl0.1 M NaOH

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We are being asked to rank the solutions below in order of increasing acidity:

0.01 M CH3COOH, 3 M NH3, 0.01 M H2SO4, 0.1 M HCl, 0.1 M NaOH


First, we will classify each solution

0.01 M CH3COOH

  • CH3COOH + H2O ⇌ CH3COO- + H+
  • CH3COOH donates a proton but does not completely dissociate.
  • This means that it is a weak acid

3 M NH3

  • NH3 + H2O ⇌ NH4+ + OH-
  • NH3 accepts a proton but does not completely dissociate
  • This means that it is a weak base


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Problem Details

Rank the solutions below in order of increasing acidity:

0.01 M CH3COOH

3 M NH3

0.01 M H2SO4

0.1 M HCl

0.1 M NaOH

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 Identifying Acids and Bases concept. You can view video lessons to learn Identifying Acids and Bases. Or if you need more Identifying Acids and Bases practice, you can also practice Identifying Acids and Bases practice problems.