Question

Respiration Air contains several gases. When resting, every breath you take contains approximately 0.600 g of air. If argon makes up 0.934% of the air, calculate the number of argon atoms inhaled with each breath.

Name: Problem 120, Chapter 10: Chemistry Matter and Change
Uploaded: 2020-09-26T14:00:54-08:00
Duration: 1 min 54 s
Channel: Himanshu Garg
Description: Respiration Air contains several gases. When resting, every breath you take contains approximately 0.600 g of air. If argon makes up 0.934% of the air, calculate the number of argon atoms inhaled with each breath.

   Respiration Air contains several gases. When resting, every breath you take contains approximately 0.600 g of air. If argon makes up 0.934% of the air, calculate the number of argon atoms inhaled with each breath.

Chemistry Matter and Change

Thandi Buthelezi,… 1st Edition

Chapter 10, Problem 120

Instant Answer

Solved by Expert Himanshu Garg

09/26/2020

Step 1

Given that the total mass of air inhaled is 0.600 g and argon makes up 0.934% of this air, the mass of argon can be calculated as follows: \[0.600 \, g \times 0.00934 = 5.604 \times 10^{-3} \, g\] Show more…

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Respiration Air contains several gases. When resting, every breath you take contains approximately 0.600 g of air. If argon makes up 0.934% of the air, calculate the number of argon atoms inhaled with each breath.

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Key Concepts

Percent Composition

This concept involves understanding the percentage of a specific component within a mixture, which in the context of gases, tells us the fraction by mass or by volume of a particular gas relative to the entire mixture. It is essential for determining how much of a given gas is present when you know the total mass or volume of the air.

Mass-to-Mole Conversion

This concept involves converting a given mass of a substance to the number of moles by using the substance's molar mass. It is a crucial step in bridging macroscopic measurements (like grams) to the microscopic scale (moles), allowing one to count individual particles.

Avogadro’s Number

Avogadro’s number is a fundamental constant that relates the number of moles of a substance to the number of individual atoms or molecules present. It provides the link between the amount in moles and the actual number of discrete particles, enabling calculations of atoms or molecules from mass or moles.

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