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Xc Chea XA D www.google.com k Announcements meta x Assignments Mastering Physics

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Question

Xc Chea XA D www.google.com k Announcements meta x Assignments Mastering Physics: PS-1-Advanced Google Chrome Secure session.masteringphysics.com next&assignmentProblemID; 74171637 https:// PHYS1052 General Physics II PS-1-Advanced Problem 17.16 Mastering Phys O My Courses Problem 17.16 Course Home Part A A 550 -cm What is the molecular mass of this gas? Syllabus flask contains 0.450 g of a gas at a pressure of 160 kPa and a temperature of 315 K Assignments Scores M- 15.9 Course Tools eText Submit My Answers Give U Study Area Incorrect, Try Again; 5 attempts remaining User Settings Ask me anything g/mol blac Help I Close previous l 10 of 12 l next ACTIONS nt View nt Mew nt View enaald Feedback Continue 9:57 PM 9/2017

Explanation / Answer

solving first question

V=550*10^(-6) m^3

P=160000 pa

R=8.314

T=315 K

using ideal gas equation

PV=nRT

n=PV/RT=0.0336 moles

n=mass/molecular mass

moleculer mass=mass/n=13.39 g