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Yuki888 [10]
3 years ago
9

How many molecules of sulfur trioxide are in 78.0 grams?

Chemistry
1 answer:
zalisa [80]3 years ago
5 0

Answer:

b) 5.87 E23 molecules

Explanation:

∴ mm SO3 = 80.066 g/mol

⇒ molecules SO3 = (78.0 g)(mol/80.066 g)(6.022 E23 molec/mol)

⇒ molec SO3 = 5.866 E23 molecules SO3

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