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How many moles, n=pv/rt?
In preparation for a demonstration, your professor brings a 1.7 L bottle of sulfur dioxide into the lecture hall before class to allow the gas to reach room temperature. If the pressure gauge reads 90. psi and the lecture hall is 23°C, how many moles of sulfur dioxide are in the bottle? (Hint: The gauge reads zero when 14.7 psi of gas remains.)
use PV=nRT
P= pressure in atm( convert to atmosphere
V= volume in liters
n= number of moles
R= constant .08206
T= temperature in Kelvin ( 0 C + 273K= 273 K)
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