Multiple Choice
Which chemical formula corresponds to hydrobromic acid?
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3. Chemical Reactions
Naming Acids
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What is the chemical formula for hydrosulfuric acid?
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Verified step by step guidance1
Understand that hydrosulfuric acid is a common name for a specific binary acid composed of hydrogen and sulfur.
Recall that binary acids consist of hydrogen and one other nonmetal element, and their formulas typically start with hydrogen (H) followed by the nonmetal.
Recognize that hydrosulfuric acid is another name for hydrogen sulfide when dissolved in water, which corresponds to the formula \(H_2S\).
Compare the given options and identify that \(H_2S\) matches the correct formula for hydrosulfuric acid, as it contains two hydrogen atoms and one sulfur atom.
Note that other formulas like \(H_2S_2\), \(H_2S_4\), or \(HSO_3\) represent different compounds and are not hydrosulfuric acid.
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