Multiple Choice
Which of the following is the correct chemical formula for aluminum bromide?
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3. Chemical Reactions
Naming Ionic Compounds
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is the correct chemical formula for potassium sulfite?
A
K2SO4
B
KSO3
C
KSO4
D
K2SO3
Verified step by step guidance1
Identify the ions involved: potassium ion (K\^+) and sulfite ion (SO\_3\^{2-}).
Determine the charge on each ion: potassium has a +1 charge, and sulfite has a -2 charge.
Balance the total positive and negative charges to make the compound electrically neutral.
Since sulfite has a -2 charge, two potassium ions (each +1) are needed to balance one sulfite ion.
Write the formula by combining the ions with the correct subscripts: K\_2SO\_3.
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