Find the number of molecules in 35.20 g of nitrogen dioxide

Question

asked Feb 1, 2022 82.5k views

2 Answers

Matthew Poer · Answer 1 · 2022-02-04T03:16:20+0000

find molar mass by dividing grams by molar mass of nitrogen dioxide, then multiple by avogadro’s number to find number of molecules. 4.61 x 10^23 molecules. 3 sf

Find the number of molecules in 35.20 g of nitrogen dioxide-example-1

Jurez · Answer 2 · 2022-02-06T15:08:30+0000

Answer:

4.584*10^23 molecules

Step-by-step explanation:

Find molar mass of nitrogen and oxygen on periodic table.

find molar mass of nitrogen dioxide

use this to find moles of nitrogen dioxide

multiply by avagadros number

Find the number of molecules in 35.20 g of nitrogen dioxide

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