1.

Mole fraction of glucose in 18% (wt./wt.) solution of glucose is

Answer»

0.18
0.1
0.017
0.021

Solution :GLUCOSE =18 g, Solution =100g
:. WATER = 100-18=82g
MOLE freaction of glucose `=(18//180)/(18//180+82//18`
`=0.1/(0.1+4.56)=0.1/4.66=0.021


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