# Problem: At 4.00 L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.72 mol of oxygen gas in the vessel?Express the volume to three significant figures and include the appropriate units.Avogadro's law states that the volume of a gas at a given temperature and pressure is directly proportional to the number of moles of the gas.

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At 4.00 L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.72 mol of oxygen gas in the vessel?

Express the volume to three significant figures and include the appropriate units.

Avogadro's law states that the volume of a gas at a given temperature and pressure is directly proportional to the number of moles of the gas.