Răspuns:
II
pV=niuRT
ro=m/v---> la gaze, in c.n----->. ro= miu/Vm
d= miu,gaz/miu,aer= miu,gaz/29
IV
V= 10X10³L
p=2atm
T=27+273=> 300K
10x10³x2= niux0,082x300-----> niu=813mol
N= niuxN,A= 813X6,022X10²³ PARTICULE=4896X10²³particule
m=niuxmiu= 813x16g=13008g
Explicație:
