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liq [111]
3 years ago
7

You exhale about .0800 liters of CO2 (carbon dioxide) gas in a single breath. 22.4 liters of CO2 contain 6.022 x 1023 molecules.

6,022 x 1023 CO2 molecules have a mass of 44.0 grams. Find the A) number of carbon dioxide molecules you exhale in each breath. Find the mass of the CO2 you exhale in a single breath.
Biology
1 answer:
Ilya [14]3 years ago
3 0

Answer:

A) 2.150 * 10^{22}

B) 1.57 grams

Explanation:

Given -

Amount of gas exhaled in one single breathe = 0.080 liters

22.4 liter of carbon dioxide contains 6.022 * 10^{23} molecules

One liter of carbon dioxide contains = \frac{6.022*10^{23}}{22.4}\\= 2.688 * 10^{23}

A) Number of molecules in 0.08 liter of carbon dioxide = 0.08 * 2.688 * 10^{23}\\= 2.150 * 10^{22}

B) Mass of 6.022 * 10^{23} molecules is equal to 44 grams

Mass of one molecule = \frac{44}{6.022*10^{23}} \\= 7.306*10^{-23}\\

Mass of molecule is[tex]7.306*10^{-23} * 2.150 * 10^{22}\\= 1.57\\[/tex]  gram

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