Question

How many moles are there in 7.4 x 1023 molecules of CO2?

Answer 1

Answer:

number of molecules = given moles/molar mass

molar mass pf CO2 = 12+16x2=44

number of molecules=7.4x1032

putting value in formula

7.4x1032 = given moles / 44

7.4x1032x44=given moles

Explanation:

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Answer 2

Answer:

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