A closed 10 L vessel contains 1 L water gas 1 : 1 CO : H 2 and 9 L air ( 20 % O 2 by volume) at STP . The contents of the vessel are ignited. The number of moles of CO 2 , in the vessel is closest to :

Question

A closed 10 L vessel contains 1 L water gas 1 : 1 CO : H 2 and 9 L air ( 20 % O 2 by volume) at STP . The contents of the vessel are ignited. The number of moles of CO 2 , in the vessel is closest to :, 0 . 22, 0 . 022, 0 . 90, 3 . 60

MARKS App · Accepted Answer

Water gas ( CO : H 2 is 1 : 1 ) = 1 litre Air = 9 litre 1 litre water gas at STP ⇒ 1 22 . 4 moles of gas at STP No. of moles of CO = 1 2 × 1 22 . 4 moles = No. of moles of CO 2 produced after ignition = 0 . 022

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