ms=10g
C1%=20%
mH2O=x
MCoCl2= 129 g
M CoCl2× 10H2O = 309g
C2%= 129/309 ×100% = 41,75%
41,75% 20g----- 10g
\ /
20%
/ \
0% 21,75g-------x
(metoda krzyżowa)
x= 10,875g ≈11gH2O
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ms=10g
C1%=20%
mH2O=x
MCoCl2= 129 g
M CoCl2× 10H2O = 309g
C2%= 129/309 ×100% = 41,75%
41,75% 20g----- 10g
\ /
20%
/ \
0% 21,75g-------x
(metoda krzyżowa)
x= 10,875g ≈11gH2O