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General Chemistry 1 Midterm - Parte 4 di 4!
CAMPIONE
Questo è un set di esercizio di esempio. Per avere un'esperienza di preparazione personalizzata:
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7. Gases / Effusion / Problema 8
Problema 8

Consider the following experiment: 
A Kr gas was allowed effuse through a small hole under constant pressure. The 2 L sample of Kr took 96.0 s to effuse. Another gas of unknown identity went through the same conditions. It took a 2 L sample of the unknown gas 55.5 s to effuse. Calculate the molar mass of the unknown gas.