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March 2017, Week 3

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Subject:
FW: Hi , here's your DAT Question of the Day!
From:
Kemile A Jackson <[log in to unmask]>
Date:
Tue, 21 Mar 2017 18:59:38 +0000
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Administering Nitrous Oxide



One of the tanks that a pediatric dentist uses to administer nitrous oxide is empty. The ML-6 type cylinder has an internal volume of 165 liters. How many moles of nitrous oxide remain in the empty tank (Ideal gas constant = 0.082 L atm/K mol; assume the apparatus is at sea level; the ambient temperature is 22° C)?



A. 6.8 moles.



B. 0.15 moles.



C. 21.8 moles.



D. 22.4 moles.



E. Zero moles; the tank is empty.



To see the solution and images, visit the following link:

http://datquestionoftheday.com/chemistry/administering-nitrous-oxide/<http://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=2bad6546a1&e=61d7ba7392>

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