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How many moles are in 5.6 liters of a gas at STP?

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Question: How many moles are in 5.6 liters of a gas at STP?

Options:

  1. 0.25
  2. 0.5
  3. 1
  4. 2

Correct Answer: 1

Solution: 

At STP, 1 mole of gas occupies 22.4 L. Number of moles = volume / molar volume = 5.6 L / 22.4 L/mole = 0.25 moles.

How many moles are in 5.6 liters of a gas at STP?

Practice Questions

Q1
How many moles are in 5.6 liters of a gas at STP?
  1. 0.25
  2. 0.5
  3. 1
  4. 2

Questions & Step-by-Step Solutions

How many moles are in 5.6 liters of a gas at STP?
  • Step 1: Understand that STP means Standard Temperature and Pressure, where 1 mole of gas occupies 22.4 liters.
  • Step 2: Identify the volume of gas you have, which is 5.6 liters.
  • Step 3: Use the formula to find the number of moles: Number of moles = Volume of gas / Molar volume.
  • Step 4: Plug in the values: Number of moles = 5.6 liters / 22.4 liters per mole.
  • Step 5: Calculate the result: 5.6 / 22.4 = 0.25 moles.
  • Molar Volume of Gas at STP – At Standard Temperature and Pressure (STP), one mole of an ideal gas occupies 22.4 liters.
  • Mole Calculation – The number of moles can be calculated by dividing the volume of gas by the molar volume.
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