Find the mass of 1.5 mole of CO2 molecule
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6
mass=moles × molar mass
mass=1.5×44
mass=66g
mass=1.5×44
mass=66g
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The number of molecules in a mole (known as Avogadro's constant) is defined such that the mass of one mole of a substance, expressed in grams, is equal to the mean molecular mass of the substance. The molecular mass of CO2 = 12+2x16 = 44, so the mass of a mole of CO2 is approximately 44 grams.
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