When 0.7 L of Hydrogen at 0.8 bar and 1.5 L of Oxygen at 0.6 bar are introduced in a 1 L vessel at 25°C

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When 0.7 L of Hydrogen at 0.8 bar and 1.5 L of Oxygen at 0.6 bar are introduced in a 1 L vessel at 25°C, the total pressure of the gas mixture is _________ .

(a) 0.8 bar

(b) 1.24 bar

(c) 1.46 bar

(d) 1.62 bar

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selected

Correct option: (c) 1.46 bar

Explanation:

For Hydrogen gas

Given, Pressure = 0.8 bar, Volume = 0.7 l

For Oxygen gas

Given Pressure = 0.6 bar, Volume = 1.5 l

Now, given total volume of gaseous mixture is 1 l at 25°C

Let total pressure = PT

So by using ideal gas equation