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500 ML OF GLUCOSE SOLUTION CONTAIN 6.02*10^22 MOLECULES.WHAT IS CONCENTRATION OF SOLUTION

500 ML OF GLUCOSE SOLUTION CONTAIN 6.02*10^22 MOLECULES.WHAT IS CONCENTRATION OF SOLUTION

Grade:10

1 Answers

Sitoshna Jatty
29 Points
7 years ago
since the sol. contains 6.02 x 10^22 molecules, 
the no. of moles of glucose = 6.02 x10^22 / N(avogadro) 
                                         = 6.02 x 10^22 /6.022 x 10^23
                                         = 0.1 moles (approx.)
volume of solution = 500 ml. = 0.5 L
therefore, concentration of solution in terms of molarity (since they haven’t specified a method, molarity is the quickest form to express in, in this case) 
molarity = no. of moles of solute / volume of solution( in litres)
             = 0.1 / 0.5 
            = 0.2 M 
 

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