Question

calculate number of molecules in 5.5 gram of co2 ​

Answer 1

To get moles, you divide grams of a substance by molecular weight. The molecular weight of CO2 is 44.0095 g/mol. 5.5g divided by 44.0095g/mol is 0.12497 moles. You then need to multiply moles by Avogadro's constant (6.022x10^23).

Answer 2

1mole of co2 = 44

5.5 g of co2 = 1/8 moles

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