sfkrczrz6g sfkrczrz6g

11-05-2022
Chemistry

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How many silicon atoms are there in 28.09 g of Si?

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palwashar30 palwashar30

11-05-2022

Explanation:

28.09 g of silicon contains 6.02×1023 6.02 × 10 23 silicon atoms.

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indrawboy indrawboy

11-05-2022

1 mole = 6.02.10²³ particles (atoms, moleculs, ions)

mole Si = mass : molar mass

mole Si = 28.09 : 28.09 = 1

number of atoms = 1 x 6.02.10²³ = 6.02.10²³ atoms

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