How many molecules does 88 grams co2 contain? a) 1.2 x 1024 b) 1.8 x 1024 c) 3.0 x 1023 d) 6.0 x 1023

Hey there!:

Molar mass CO2 = 44.01 g/mol

44.01 g CO2 6.02*10²² molecules CO2

88 g CO2 y

y = 88 * ( 6.02*10²² ) / 44.01

y = 5.29*10²⁵ / 44.01

y = 1.2 * 10²⁴ molecules of CO2

Answer A

Hope that helps!

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