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250 mL of a Na2CO3 solution contains 2.6...

250 mL of a `Na_2CO_3` solution contains 2.65 g of `Na_2CO_3`. 10mL of this solution is added to x mL of water to obtain 0.001 M `Na_2CO_3` solution. The value of x is (molecular weight of `Na_2CO_3 = 106`)

A

1000 ml

B

990 ml

C

9990 ml

D

90 ml

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The correct Answer is:
B
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