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One dm^(3) of hydrogen is present in a f...

One `dm^(3)` of hydrogen is present in a flask at a pressure of `10^(-12)` bar of Hg and at `0^(@)C`. Calculate the number of oxygen molecules in the flask.

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To solve the problem of calculating the number of oxygen molecules in a flask containing 1 dm³ of hydrogen gas at a pressure of \(10^{-12}\) bar and a temperature of \(0^\circ C\), we can follow these steps: ### Step 1: Convert the volume from dm³ to liters 1 dm³ is equivalent to 1 liter. Therefore, the volume of hydrogen gas is 1 L. ### Step 2: Use the Ideal Gas Law The Ideal Gas Law is given by the equation: \[ PV = nRT \] ...
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