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maw [93]
3 years ago
7

PLEASE HELP!!!! Assuming a lacrosse ball weighs 5.5 ounces and is made of mainly rubber which has a mass of 82.2 g/mol, how many

particles are in a lacrosse ball?
Chemistry
1 answer:
MissTica3 years ago
8 0
11.412 x 10^23.

EXPLANATION:

5.5 oz = 155.92 g

155.92 g x (1 mol/82.2 g) = 1.8956 mol

(6.02 x 10^23) x 1.8956 = 11.412 x 10^23
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