MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistrySolutionsGeneral
What is the mole fraction of glucose in 10% w/W glucose solution?
A.0.01✓ Correct
B.0.02
C.0.03
D.0.04
Explanation
No.of molesof glucose Molefraction= ...(i) No.of molesof solution Molecular massof glucose=180g/mol Given mass No. of moles= Molar mass 10 No.of molesof glu cose 0.0555moles 180 Molecular massof water 18g / mol 90 No.of molesof water 5moles 18 >> >> Substituting the obtained value in equation …(i) Mole fraction 0.0555 0.01moles 0.0555 5 >>
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