Question

 

250mL of a sodium carbonate solution contains 2.65 grams of Na2CO3. If 10mL of this solution is diluted to one litre, what is the concentration of the resultant solution?

(mol. wt. of Na2CO3= 106)

Solution

Correct option is

0.001 M

 

Molarity of given Na2CO3 sol.

                

or   M2 = 0.001 M 

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