Odpowiedzi

2010-03-17T21:38:37+01:00
M=32g+2*16g=64g/mol
m=?
V=30cm3=0.03dm3
T=293K
p=1013hPa
R=83.1hPa*dm3/mol*K

n=m/M
pV=nRT
pV=m/M *RT//*M
pVM=mRT//:RT
pVM/RT=m
m=1013hPa*0.03dm3*64g/mol /83.1*293K
m=1944.96/ 24348.3
m=0.08g

^^
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