Calculate the number of molecules in 4.5 moles of carbon dioxide

 Calculate the number of molecules in 4.5 moles of carbon dioxide

To calculate the number of moles, you can use the formula:


moles = mass/molar mass


The molar mass of hydrogen H_2 is approximately 2 grams/mol. Given that you have 4 grams of hydrogen gas:

moles = 4g/2g/mole


Moles: 2 

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