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haaza shukran1. C + O2 ---> CO2
1 mole of carbon reacts with 1 mole of oxygen to form 1 mole of carbon dioxide.
If you calculate the moles using the given masses,
4/12 mole : 6/32 mole
0.33 mole : 0.1875 mole
So, carbon is in excess.
The ratio is 1:1 = 1 so,
Moles of CO2 = 0.1875 moles.
2. At RTP is mentioned,
Convert both quantities to moles,
10/12 moles : 10/24 moles
0.833 moles : 0.4166 moles.
So, again, carbon is in excess.
The ratio is 1:1 = 1 so,
Moles of CO2 = 0.4166 moles.