molalitas nya brp ya? bantu jawab pliss

C2H5OH 46%
grC2H5OH = 46 gr
grH2O = 100 - 46 = 54 gr
Mr C2H5OH = 46

molalitas (m) =...?


m = (grC2H5OH/ MrC2H5OH) × (1000/ grH2O)

m = (46/46) × (1000/56)

m = 17,8571428571

m = 17,85 molal



- Oswyth -