Which acid has the formula HNO3?

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Study for the IMAT Chemistry Exam. Access flashcards and multiple choice questions; hints and explanations included for each question. Prepare effectively for your exam.

Multiple Choice

Which acid has the formula HNO3?

Explanation:
Recognizing acids by their formulas helps you connect the name to the ion present. HNO3 consists of a hydrogen ion paired with the nitrate ion NO3−, so the acid is nitric acid. The other options correspond to different anions: acetic acid is based on the acetate group (CH3COO−), carbonic acid is H2CO3, and phosphoric acid is H3PO4. Only HNO3 matches the nitrate ion, giving the name nitric acid.

Recognizing acids by their formulas helps you connect the name to the ion present. HNO3 consists of a hydrogen ion paired with the nitrate ion NO3−, so the acid is nitric acid. The other options correspond to different anions: acetic acid is based on the acetate group (CH3COO−), carbonic acid is H2CO3, and phosphoric acid is H3PO4. Only HNO3 matches the nitrate ion, giving the name nitric acid.

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