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OpenStudy (4815162342):
A 19.4-gram sample of gas is found to have a volume of 1.3 liters at 282 K and 1.2 atm. What is the molar mass of this gas? Show all of the work used to solve this problem.
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OpenStudy (briellshaw):
what grade you in... cus im in 7th
OpenStudy (peachpi):
Use the ideal gas law. PV = nRT P, V, R, and T are given in the problem. R = 0.082 L-atm/mol-K Solve for the number of moles, \(n\), then use the given mass to find the molar mass.
OpenStudy (4815162342):
@peachpi is the answer 289.55
OpenStudy (peachpi):
yes
OpenStudy (4815162342):
How should I show my work?
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OpenStudy (peachpi):
show the equation, then show the numbers you plugged into it.
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