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Homework 2A23 Help

Posted: Mon Oct 28, 2019 8:20 pm
by DTingey_1C
How do you do B for this problem:

On the basis of the expected charges of the monatomic ions, give the chemical formula of each of the following compounds:

B: Indium (III) sufide

Re: Homework 2A23 Help

Posted: Mon Oct 28, 2019 8:29 pm
by Jasmine Vallarta 2L
In2S3

Re: Homework 2A23 Help

Posted: Mon Oct 28, 2019 9:31 pm
by Rachel Yu 1G
Indium(III) Sulfide results from indium and sulfur ions, which are In3+ and S2-. However, you want the charges to equal 0 to satisfy the octet rule. By having 2 In3+ and 3 S2-, the 6+ and 6- charge results in a neutral charge, giving us In2S3 as the chemical formula.