Problem: Choose the phrase that best describes the relative acid strength of these acids.H2O        a) has the same acid strength as           HF                b) is more acidic than                c) is less acidic thanH2S         a) has the same acid strength as           H2O                b) is more acidic than                c) is less acidic than

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Choose the phrase that best describes the relative acid strength of these acids.

 HF would be more acidic than H2

  • F is more electronegative than O
  • So F- would be a more stable conjugate base making HF more acidic. 


H2O c) is less acidic than HF


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Problem Details

Choose the phrase that best describes the relative acid strength of these acids.

H2O        a) has the same acid strength as           HF

                b) is more acidic than

                c) is less acidic than


H2S         a) has the same acid strength as           H2O

                b) is more acidic than

                c) is less acidic than

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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.