To get the formula, simply swap the charges of the two ions:
Cr3+ and Br−
Express your answer as a chemical formula.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Ionic and Covalent Compounds concept. If you need more Ionic and Covalent Compounds practice, you can also practice Ionic and Covalent Compounds practice problems.
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Based on our data, we think this problem is relevant for Professor Sommer's class at MIAMIOH.