Three of the compounds listed are acids. These are:

1. CH3COOH, also known as acetic acid.
2. HNO3, also known as nitric acid.
3. H2SO4, also known as sulfuric acid.

NaOH (sodium hydroxide) and KOH (potassium hydroxide) are bases, not acids. (COOH)2 is also known as oxalic acid, but it's not clear from your question whether you're counting this as one of the "following" or not. If you are, then there are four acids in your list.

Question

Three of the compounds listed are acids. These are:

1. CH3COOH, also known as acetic acid.
2. HNO3, also known as nitric acid.
3. H2SO4, also known as sulfuric acid.

NaOH (sodium hydroxide) and KOH (potassium hydroxide) are bases, not acids. (COOH)2 is also known as oxalic acid, but it's not clear from your question whether you're counting this as one of the "following" or not. If you are, then there are four acids in your list.

Knowee AI · Accepted Answer

Three of the compounds listed are acids. These are:

1. CH3COOH, also known as acetic acid.
2. HNO3, also known as nitric acid.
3. H2SO4, also known as sulfuric acid.

NaOH (sodium hydroxide) and KOH (potassium hydroxide) are bases, not acids. (COOH)2 is also known as oxalic acid, but it's not clear from your question whether you're counting this as one of the "following" or not. If you are, then there are four acids in your list.

How many of the following are acids? NaOH, CH3COOH, HNO3, H2SO4, KOH, (COOH)2

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