W zbiorniku o pojemnosci 30 dm3 znajduje sie 34 g gazu pod cisnieniem 1520 hPa w temp 275 K. Oblicz mase molowa tego gazu.Stała gazowa R=83,14 hPa*dm3*K*mol
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
V=30dm³
m=34g
p=1520hPa
T=275K
R=83,14 hPa*dm³/mol*K
n=?
M=?
pV=nRT /:RT
n=pV/RT
n=1520[hPa]*30[dm³] / 275[K]*83,14[hPa*dm³/mol*K]
n=1,99mol
n=m/M /*M
n*M=m /:n
M=m/n
M=34g/1,99mol
M=17g/mol