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States of Matter and Gaseous StatemediumMCQ SINGLE

The approximate length of the side of a cube containing 850 million gas molecules at 0°C and 1 atm w — States of Matter and Gaseous State Chemistry Question

Question

The approximate length of the side of a cube containing 850 million gas molecules at 0°C and 1 atm would be

Answer: A

💡 Solution & Explanation

n = 8.5e8 / 6.022e23 = 1.41e-15 mol. V = 1.41e-15 * 22400 cm3 = 3.16e-11 cm3. side = V^(1/3) = 3.16e-4 cm. Therefore, correct answer is A.

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