We calculate the mass of a nitrogen molecule by the formula:
m0 = M / N, where M is the molar mass of nitrogen (diatomic gas, M = 0.028 kg / mol), Na is Avogadro’s number (Na = 6 * 10 ^ 23 mol-1).
Let’s calculate the mass of the nitrogen molecule:
m0 = M / N = 0.028 / (6 * 10 ^ 23) = 4.7 * 10 ^ -26 kg.
Answer: The mass of a nitrogen molecule is 4.7 * 10 ^ -26 kg.
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