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Nora Shelton
Chemistry
26 February, 05:16
How many atoms does 2.0 moles of He represent
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Barton
26 February, 05:21
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We use the following formula to calculate the number of atoms:
n (mol) = N (number of atoms) / NA
N (He) = n (mol) · NA
N (He) = 2,0 moles · 6.02·1023 = 12.04·1023 atoms
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