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21-12-2016
Chemistry

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What is the mass in grams of 3.0x10^23 molecules of carbon dioxide??

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21-12-2016

Moles of CO2 = number of molecules / 6.02x10^23. = 3x10^23/6.02x10^23 = 0.5moles. Therefore, mass of CO2 = moles x molecular mass of CO2= 0.5x44 = 22gm.

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