M C12H22O11= 342 g/mol
MH2O=18 g/mol
mC12H22O11= 3*342 g=1026 g
mH2O=80*18 g=1440 g
mr-ru= 1026+1440=2466 g
Cp=(1026÷2466)*100%=41,61%
Odpowiedź:
sacharoza C12H22O11
woda H2O
ms=m3C12H22O11=3(12*12g+22*1g+11*16g)=3*(144g+22g+176g)=3*342g=1026g
m rozpuszczalnika=80*mH20=80*(2*1g+1*16g)=80*18g=1440g
m roztworu=m rozpuszczalnika + ms=1026g+1440g=2466g
Cp=*100%= *100%=41,60%
Wyjaśnienie:
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M C12H22O11= 342 g/mol
MH2O=18 g/mol
mC12H22O11= 3*342 g=1026 g
mH2O=80*18 g=1440 g
mr-ru= 1026+1440=2466 g
Cp=(1026÷2466)*100%=41,61%
Odpowiedź:
sacharoza C12H22O11
woda H2O
ms=m3C12H22O11=3(12*12g+22*1g+11*16g)=3*(144g+22g+176g)=3*342g=1026g
m rozpuszczalnika=80*mH20=80*(2*1g+1*16g)=80*18g=1440g
m roztworu=m rozpuszczalnika + ms=1026g+1440g=2466g
Cp=*100%= *100%=41,60%
Wyjaśnienie: