Multiple Choice
Which of the following is the correct method for determining the charges on the ions in an ionic compound?
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3. Chemical Reactions
Naming Ionic Compounds
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Which of the following is the correct chemical formula for sodium sulfate?
A
NaSO3
B
Na2SO4
C
NaSO4
D
Na2SO3
Verified step by step guidance1
Identify the ions involved in sodium sulfate: sodium ion (Na\^+) and sulfate ion (SO\_4\^{2-}).
Determine the charge on each ion: sodium ion has a +1 charge, sulfate ion has a -2 charge.
Balance the total positive and negative charges to make the compound electrically neutral.
Since sulfate has a -2 charge, two sodium ions (each +1) are needed to balance the charge.
Write the formula by combining two sodium ions with one sulfate ion, resulting in Na\_2SO\_4.
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