Multiple Choice
What is the correct name for the compound with the formula ZnO?
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3. Chemical Reactions
Naming Ionic Compounds
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Which of the following is the correct chemical formula for ammonium hydrogen sulfate?
A
NH4HSO4
B
NH4SO3
C
NH4SO4
D
NH4HSO3
Verified step by step guidance1
Identify the ions involved in ammonium hydrogen sulfate. The ammonium ion is $\mathrm{NH_4^+}$, and the hydrogen sulfate ion (also called bisulfate) is $\mathrm{HSO_4^-}$.
Recall that ammonium hydrogen sulfate is a salt formed by the combination of the ammonium cation and the hydrogen sulfate anion.
Write the formula by combining one ammonium ion $\mathrm{NH_4^+}$ with one hydrogen sulfate ion $\mathrm{HSO_4^-}$, ensuring the charges balance to zero.
Since both ions have charges of +1 and -1 respectively, they combine in a 1:1 ratio, resulting in the formula $\mathrm{NH_4HSO_4}$.
Compare this formula with the given options to confirm that $\mathrm{NH_4HSO_4}$ is the correct chemical formula for ammonium hydrogen sulfate.
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