Zakładam, że chodzi o KNO3
Z def. stęż. procent.
32g KNO3------132g roztworu
xg KNO3---------100g roztworu
x = 24,24g KNO3
x = 24,24%
Cp=24,24%
M KNO3=101g/mol
d=1,16g/cm3=1160g/dm3
Cm=Cp*d/100%*M
Cm=24,24*1160/100*101
Cm = 2,78mol/dm3
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Zakładam, że chodzi o KNO3
Z def. stęż. procent.
32g KNO3------132g roztworu
xg KNO3---------100g roztworu
x = 24,24g KNO3
x = 24,24%
Cp=24,24%
M KNO3=101g/mol
d=1,16g/cm3=1160g/dm3
Cm=Cp*d/100%*M
Cm=24,24*1160/100*101
Cm = 2,78mol/dm3