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Question 31

From Physics HL Paper 1A (May 2025, TZ2)

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  1. Gases in the atmosphere are compounds of ¹²₆C, ¹₁H, ¹⁶₈O and ¹⁴₇N.

Four of these gases are CO₂, N₂O, CH₄ and H₂O. A pure sample of each gas is produced. Each sample has the same volume, pressure, and temperature.

Which sample has the smallest mass?

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