A) \[6.28\times {{10}^{-5}}\]
B) \[1.23\times {{10}^{-\,4}}\]
C) 0.00625
D) 0.00028
Correct Answer: A
Solution :
Moles of glucose = \[\frac{0.052}{180}\] = 0.00028 Moles of water = \[\frac{80.2}{18}\] = 4.455 Mole fraction of glucose = \[\frac{0.00028}{4.45+0.00028}=6.58\times {{10}^{-5}}\]
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