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01-07-2018
Chemistry

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How many atoms of nitrogen are present in 2.49 moles of nitrogen trifluoride ? atoms of nitrogen?

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SvetkaChem SvetkaChem

01-07-2018

Nitrogen trifluoride - NF3.
1 mol NF3 contains 1 mol atoms of Nitrogen
2.49 mol NF3 contains 2.49 mol atoms of Nitrogen

1 mol ---- 6.02 *10²³ atoms
2.49 mol ----- 2.49*6.02*10²³ = 15.0*10²³ atoms of N

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