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Frequently Asked Question
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One liter of a certain gas, under standard conditions, weighs 1.25 grams. a possible formula for the gas is:
Accepted Answer
To determine a possible formula for the gas, we need to find its molar mass. Here's how:
1. Standard Conditions: Standard conditions for gases are typically 0°C (273.15 K) and 1 atm pressure.
2. Ideal Gas Law: We can use the ideal gas law (PV = nRT) to relate the gas's properties.
3. Molar Mass Calculation:
- At standard conditions, 1 mole of any ideal gas occupies 22.4 L (molar volume).
- Since we have 1 L of the gas, we have 1/22.4 moles.
- The mass of this amount is 1.25 g, so the molar mass is (1.25 g) / (1/22.4 mol) = 28 g/mol.
Possible Formula:
The molar mass of 28 g/mol suggests the gas could be nitrogen (N2), with a molar mass of 28.01 g/mol.
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