If 3 moles of a gas occupy 60 liters at STP, what is the molar volume of the gas

Practice Questions

Q1
If 3 moles of a gas occupy 60 liters at STP, what is the molar volume of the gas?
  1. 20 L
  2. 30 L
  3. 40 L
  4. 60 L

Questions & Step-by-Step Solutions

If 3 moles of a gas occupy 60 liters at STP, what is the molar volume of the gas?
  • Step 1: Understand that molar volume is the volume occupied by one mole of a gas.
  • Step 2: Identify the total volume of the gas, which is given as 60 liters.
  • Step 3: Identify the number of moles of the gas, which is given as 3 moles.
  • Step 4: Use the formula for molar volume: Molar volume = total volume / number of moles.
  • Step 5: Substitute the values into the formula: Molar volume = 60 liters / 3 moles.
  • Step 6: Calculate the result: 60 liters divided by 3 moles equals 20 liters per mole.
  • Molar Volume – Molar volume is the volume occupied by one mole of a substance at a given temperature and pressure, typically measured at STP (Standard Temperature and Pressure).
  • STP Conditions – STP refers to standard temperature (0°C or 273.15 K) and standard pressure (1 atm), which are the conditions under which the molar volume of an ideal gas is usually defined.
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