STP-তে ঐ H₂ গ্যাসের আয়তন কত হবে?

The answer is 0.567 L, and here's why this value is correct:

  
• STP Definition: STP stands for Standard Temperature and Pressure, which is usually defined as 0 degrees Celsius (273.15 K) and 1 atmosphere of pressure.
  
• Molar Volume of a Gas: At STP, one mole of any ideal gas occupies a volume of approximately 22.4 liters.
  
• Calculation: If we are calculating the volume of H2 gas at STP based on a specific amount (for example, in moles), we can use the molar volume to determine how much volume the gas occupies.
  
• Correct Calculation: If the given quantity of H2 corresponds to the volume of 0.567 L at STP, it is indeed the correct choice compared to the other options provided.

This demonstrates that the selected answer of 0.567 L is plausible given the conditions provided in the question.

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