Penjelasan:
diketahui :
massa = 0,64 gram
mp = 36 gram
Kb = 5,03 °C/m
∆Tb = 0,49 °C
ditanyakan :
Mr adrenalin = ...?
penyelesaian :
∆Tb = massa/Mr × 1000/mp × Kb
0,49 = 0,64/Mr × 1000/36 × 5,03
0,49 = 89,42/Mr
Mr = 182,5
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Penjelasan:
diketahui :
massa = 0,64 gram
mp = 36 gram
Kb = 5,03 °C/m
∆Tb = 0,49 °C
ditanyakan :
Mr adrenalin = ...?
penyelesaian :
∆Tb = massa/Mr × 1000/mp × Kb
0,49 = 0,64/Mr × 1000/36 × 5,03
0,49 = 89,42/Mr
Mr = 182,5