if 21.8g of c4h8 is burnt in the air, calculate mass of carbon dioxide formed?



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pramodpandey's profile pic

Posted on (Answer #1)

Balance  equation for 


We  can see that burning 1 mole of  `C_4H_8`  produces 4 moles

of `CO_2`

Let x gram corbon die oxide produced.

moles `CO_2= ` mass/molar mass

                    = (x/44)

moles of C_4H_8=(1/4)(x/44)=x/176


mass C_4H_8 = molar mass x moles

21.8=56 (x/176)

x=68.51 g

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