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Verified answer
Cari molalitasdelta T = Kf x m
0.93 = 1.86 x m
m = 0.5 m
cari Mr
m = massa ter/Mr x 1000/massa pel
0.5 = 9 / Mr x 1000/100
Mr = 9 x 10 / 0.5 = 180
cari rumus senyawa
Mr CH2O = 30
rumus senyawa = (rumus empiris)n
n = Mr senyawa / Mr empiris
n = 180 / 30 =6
rumus senyawa = (CH2O)6
rumus senyawa = C6H12O6