A 5litre flask contains 3.5g of nitrogen, 3g of hydrogen, 8g of oxygen at 27°c find the total pressure exerted by the mixture of these gases
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Partial pressure of N₂=[27⁰+273=300k]
P(component)=n(component)×R×T ÷ V
Pn₂=3.5/28×0.0821×300 ÷ 5
= 0.615atm
PH₂=3/2×0.0821×300 ÷ 5
= 7.389atm
P0₂=8/32×0.0821×300 ÷ 5
=1.231atm
=total pressure :
=0.615+7.389+1.231
= 9.71atm
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