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esas
Esas (Persian: اساس, also Romanized as Esās) is a village in Rastupey Rural District, in the Central District of Savadkuh County, Mazandaran Province, Iran. At the 2006 census, its population was 274, in 71 families.
Pa help po sagutan ito
If 20 g of ethanol (formula mass 46) and 30 g of water (formula mass 18) are mixed together, the mole fraction of ethanol in this mixture is.
A. 0.261
B. 0.207
C. 0.739
D. 0.793