zad.1
w załączniku
zad.2
M(Ca(OH)₂)=40g/mol+2*16g/mol+2*1g/mol=74g/mol
Vr=250cm³=0,25dm³
m=1,5g
d=1,15g/cm³
d=mr/Vr /*Vr
mr=d*Vr
mr=1,15g/cm³*250cm³
mr=287,5g
Cp=ms/mr * 100%
Cp=1,5g/287,5 * 100%
Cp=0,5%
n=m/M
n=1,5g / 74g/mol
n=0,02mol
Cm=n/Vr
Cm=0,02mol/0,25dm³
Cm=0,08mol/dm³
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
zad.1
w załączniku
zad.2
M(Ca(OH)₂)=40g/mol+2*16g/mol+2*1g/mol=74g/mol
Vr=250cm³=0,25dm³
m=1,5g
d=1,15g/cm³
d=mr/Vr /*Vr
mr=d*Vr
mr=1,15g/cm³*250cm³
mr=287,5g
Cp=ms/mr * 100%
Cp=1,5g/287,5 * 100%
Cp=0,5%
n=m/M
n=1,5g / 74g/mol
n=0,02mol
Cm=n/Vr
Cm=0,02mol/0,25dm³
Cm=0,08mol/dm³