Odpowiedzi

2011-06-29T14:10:17+02:00

CaO+H2O-->Ca(OH)2
56g------------74g
10g-------------x
x=13,21g
mr=210g
Cp=ms*100%/mr=6,3%

2011-06-29T15:08:49+02:00

mCaO=40u+16g=56g

mCa(OH)2=40g+2*16g+2*1g=74g

 

CaO+H2O-->Ca(OH)2

56g--------------74g

10g---------------xg

 

xg=10g*74g/56g

xg=13,2g

 

ms=13,2g

mr=10g+200g=210g

Cp=?

 

Cp=ms/mr * 100%   

Cp=13,2g/210g * 100%

Cp=6,3%