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Answer:The approximate volume of the gas is14.8 L.Explanation:To calculate the approximate volume of the gas, we can use the Ideal Gas Law, which relates the pressure, volume, temperature, and number of moles of a gas:PV = nRTwhere P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant (0.08206 L·atm/(mol·K)), and T is the temperature in Kelvin.First, we need to convert the temperature from Celsius to Kelvin by adding 273.15:T = 15.0ºC + 273.15 = 288.15 KThen, we can rearrange the Ideal Gas Law to solve for the volume:V = (nRT) / PPlugging in the given values:V = (0.600 mol)(0.08206 L·atm/(mol·K))(288.15 K) / 0.63 atmV ≈ 14.8 LTherefore, the approximate volume of the gas is 14.8 L....