Type the correct answer in the box. Express your answer to three significant figures. An empty water bottle is full of air at 15°C and standard pressure. The volume of the bottle is 0.500 liter. How many moles of air are in the bottle?
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Explanation:
Pressure of air present in the water bottle = 1.00 atm (Standard pressure)
Volume of air = 0.500 L (as air occupies the volume of bottle)
Temperature =
Ideal gas equation can be used to calculate the moles of air present in the volume.
P = 1.00 atm
V = 0.500 L
T = 288 K
R = Universal gas constant =
Finding out n, number of moles:
=
=0.0212 mol air
Therefore, the moles of air in the bottle is 0.0212 mol
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