8.278 x 104 mol of an unidentified gaseous substance effuses through a tiny hole in 86.9 s Under identical conditions, 1.740 x 10 4 mol of argon gas takes 81.3 s to effuse. What is the molecular weight of the substance? Express your answer in g/mol. Notes: 1. Express you answer in 3 significant figures 2. Do not write in scientific/ exponential notation

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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8.278 x 104 mol of an unidentified gaseous substance effuses through a tiny hole in
86.9 s Under identical conditions, 1.740 x 10 4 mol of argon gas takes 81.3 s to
effuse. What is the molecular weight of the substance? Express your answer in
g/mol.
Notes:
1. Express you answer in 3 significant figures
2. Do not write in scientific/ exponential notation
Transcribed Image Text:8.278 x 104 mol of an unidentified gaseous substance effuses through a tiny hole in 86.9 s Under identical conditions, 1.740 x 10 4 mol of argon gas takes 81.3 s to effuse. What is the molecular weight of the substance? Express your answer in g/mol. Notes: 1. Express you answer in 3 significant figures 2. Do not write in scientific/ exponential notation
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