11-02-2019
Chemistry

contestada

How many molecules are in 3.5 g of sulfur dioxide

Respuesta :

11-02-2019

6.02*10^23 molecules

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sherry318 sherry318

15-02-2019

Turn the grams of sulfur dioxide into moles:
3.5 g • 1 mol/64.07 g SO2 = 0.05463 mol

Then multiply it by 6.02 • 10^23:
0.05463 mol • 6.02 • 10^23 = 3.289 • 10^22 molecules

3.3 • 10^22 molecules

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