Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.55PAE: 3.55 An average person inhales roughly 2.5 g of O2 in a minute. How many molecules of oxygen are...
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Step 1: Calculation of the moles of water
Given,
number of H2O molecules = 4.0 x 1024 molecules
we know,
=> moles of H2O = given number of molecules / 6.022 x 1023 molecules/mol
on substituting the value
=> moles of H2O = 4.0 x 1024 molecules / 6.022 x 1023 molecules/mol = 6.6423 mol
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