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07-02-2020
Chemistry

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Find the number of atoms of argon in 12.0 L of argon at STP

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Onoriodefelix Onoriodefelix

07-02-2020

Answer:

3.25x10^23mol

Explanation:

1 mole of argon = 22.4dm^3

X mole of argon = 12.0L

X 22.4 = 12.0

X = 12.0/22.4

X = 0.54mol

1 mol of argon contains 6.02x10^23 atom

Therefore 0.54 mole will contain X

Therefore X = 6.02x10^23 x 0.54

= 3.25x10^23mol

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