A) ZnF2
B) ZnCO3
C) ZnBr2
D) ZnI2
Answer: B
Explanation: The zinc ion has charge +2; the carbonate ion has charge −2. The smallest whole-number ion ratio balances their charges, giving ZnCO3.
A) ZnF2
B) ZnCO3
C) ZnBr2
D) ZnI2
Answer: B
Explanation: The zinc ion has charge +2; the carbonate ion has charge −2. The smallest whole-number ion ratio balances their charges, giving ZnCO3.
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