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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.
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