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MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryMole _ Equivalent ConceptStrength of Solution

An  antifreeze  mixture  contains  40%  ethylene  glycol (C₂H₆O₂)  by  weight  in  the  aqueous  solution.  If  the density of this solution is 1.05 g/mL, what is the molar concentration?

A.6.77 M✓ Correct
B.6.45 M
C.0.0017 M
D.16.9 M
Explanation

Consider 100g  of solution. Mass of ethylene glycol =  40g Moles of ethylene glycol 40 0.645 62 Volume of solution 100 95.24 1.05 Mass Density ml 3 95.24 10 x L Molarity 3 3 0.645 0.645 10 6.77 95.24 10 95.24 x x The correct option is 6.77M

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