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0.76g of glucose (molecular mass = 180"g...

0.76g of glucose (molecular mass `= 180"g mol"^(-1)` ) is dissolved in 20 ml of aqueous solution at 298K. `(R=0.0821 "Lit-atm" K ^(-1)"mol"^(-1))`.
What is the molarity of the glucose solution?

A

0.42 M

B

0.21 M

C

4.01 M

D

2.02 M

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