How many MOLES of carbon dioxide are present in 5.29×10^22 molecules of this compound ?

Answer 1

Avogadro's number tells us that 1 mole of anything contains 6.022 x 10^23 units. To convert 5.29×10^22 molecules of CO2 to moles, simply divide by Avo's number. The final answer should be 8.78 x10^-2 with respect to significant figures.