sbernadette8 sbernadette8

21-11-2019
Chemistry

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How many atoms exist in 100.0 grams of Lithium

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sarafafatai205 sarafafatai205

05-12-2019

Answer: 8.6 x 10^24 atoms

Explanation:

To calculate the no. of moles in 100g of Li

No. of moles = mass /atomic mass

= 100/7

= 14.29moles

1mole = 6.02 x 10^23

14.29moles = 14.29 x 6.02 x 10^23

= 8.6 x 10^24 atoms

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