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If the partial pressure of oxygen is given by three bar and the partial pressure of the other gas is four bar, then what is a total pressure that is exerted?(a) 7 bar(b) 3 bar(c) 4 bar(d) 1 barThis question was addressed to me in unit test.My question is taken from States of Matter topic in division States of Matter of Chemistry – Class 11

Answer»

The correct choice is (a) 7 BAR

To explain: The total PRESSURE that is exerted is given by the SUM of the partial pressure of the gases present. By adding, the sum of the partial pressures is 3BAR + 4bar = 7bar, so the total pressure is 7 bar in this case.



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