Answer to Question #88819 in General Chemistry for Nina

Question #88819
A sample of chlorine gas at 543 Torr has a volume of 21.6 L. If the temperature of the chlorine is 0°C, how many moles of chlorine gas are present? 

1
Expert's answer
2019-04-30T04:30:43-0400


A sample of chlorine gas at 543 Torr has a volume of 21.6 L. If the temperature of the chlorine is 0°C, how many moles of chlorine gas are present?

Solution:

1.pV=nRT

2.p(Cl2)=543 Torr=72394 Pa;

V(Cl2)=21,6 L=0,0216 m3;

R=8,314 Pa*m3/K;

T=0 °C=273 K.

3.n=pV/RT;

n(Cl2)=72394*0,0216/8,314*273=0,69 mol.

Answer: 0,69 mol.











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