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What is the number of formula units in a 6.92 mol sample of CaO? formula units
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Answer #1

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Formula unit = CaO

1 mol sample of CaO contains 6.022×10^23 formula units of CaO.

So,

6.92 mol sample of CaO will contain 6.92×6.022×10^23 formula unit of CaO.

Total formula unit = 6.92×6.022×10^23

Total formula unit = 4.17×10^24

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