If a sample of this compound contains 6.4*1022 sodium ions, how many sulfide ions does it contain?

Question

Chemistry

Gauge Hutchinson

5 April, 17:21

If a sample of this compound contains 6.4*1022 sodium ions, how many sulfide ions does it contain?

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Answers (1)

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Cayden Hawkins · Answer 1

The ionic compound formed by sodium and sulfur is Na2S, whose name is sodium sulfide.

The chemical formula tells you the ratio between the two elements is 2Na/1S or 1S/2Na

So, if you have 6.4 * 10^22 sodium ions, you will have

6.4 * 10^22 Na * 1S / 2Na = 3.2 * 10^22 S.

Answer: the compound contains 3.2 * 10^22 sulfide ions.