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A gas has a volume of 3.5L at STP. How many moles of gas is this?

User Fieres
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At STP (standard temperature and pressure), the temperature is 273 K and the pressure is 1 atm. The molar volume of a gas at STP is 22.4 L/mol.

To calculate the number of moles of gas in a volume of 3.5 L at STP, we can use the following formula:

moles = volume (in L) / molar volume (in L/mol)

moles = 3.5 L / 22.4 L/mol

moles = 0.15625 mol

Therefore, the number of moles of gas in a volume of 3.5 L at STP is approximately 0.15625 mol.
User Benibur
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