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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Outline a two-dimensional unit cell for the pattern shown here. If the black squares are labeled A and the white squares are B, what is the simplest formula for a “compound” based on this pattern?

images

Interpretation Introduction

Interpretation:

The simplest formula of the compound has to be identified.

Answer

The simplest formula of the compound is AB8.

Explanation

According to the picture, we consider the unit pattern as combination of two molecules,

There are seventy two white squares and nine black squares in the two dimensional unit cell patterns.

Formulaofthepattern=9black squares+72white squares+therefore,Formulaofthepattern=A9(blacksquares)+B72(white  squares)SimplfythepatternSimplestformulaofthepattern=AB8

Conclusion

The simplest formula of the compound was identified.

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