5.6 L of a gas at STP weighs 11 g. The gas is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$\text{Moles} = 5.6/22.4 = 0.25$. $\text{Molar mass} = 11/0.25 = 44$. Gas is $CO_2$ or $N_2O$. Since both B and D fit, usually one is chosen based on context. [9]