" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Z def. stęż. molowego
1,5mola KCl------1000cm3 roztworu
xmoli KCl----------200cm3 roztworu
x=0,3mola KCl
mKCl=39u+35,5u=74,5u
74,5g KCl-------1mol
xg KCl-----------0,3mola
x=22,35g KCl
2.
C2H5OH=46u
C2H5OH + 3O2------->2CO2 + 3H2O
46g C2H5OH-------2*22,4dm3 CO2
4,6g C2H5OH--------xdm3 CO2
x=4,48dm3 CO2