Problem: How many individual ions are in 18.2 grams of Al2S3?A. 7.30 × 1023 ions      B. 1.85 × 10 23 ions      C. 9.28 × 10 23 ions      D. 3.65 × 10 23 ions                E. 5.12 × 1023 ions

FREE Expert Solution

Determine the number of individual ions in 18.2 grams of Al2S3 by using stoichiometry

Step 1. Determine the ions in Al2S3

  • Al2S3 is an ionic compound composed of Al3+ and S2- ions, recall that in ionic compounds, the charge of the ion goes to the subscript of the counterion:
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Problem Details

How many individual ions are in 18.2 grams of Al2S3?

A. 7.30 × 1023 ions      B. 1.85 × 10 23 ions      C. 9.28 × 10 23 ions      D. 3.65 × 10 23 ions                
E. 5.12 × 1023 ions

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