A sealed 3.00 L flask at 20.0 °C contains 10.2 g of an unknown monatomic ideal gas at…
CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A sealed 3.00 L flask at 20.0 °C contains 10.2 g of an unknown monatomic ideal gas at a pressure of 2.05 atm. Calculate the molar mass of the gas and use this value to identify the gas. State both the molar mass (in g mol⁻¹) and the likely identity.