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If 5.00cm3 of 0.20 mol dm-3Na2

If 5.00cm3 of 0.20 mol dm-3Na2CO3 was diluted with distilled water to obtain 250 cm3 solution, what is the concentration of the resulting solution?

A.

0.004 mol dm-3

B.

0.02 mol dm-3

C.

0.20mol dm-3

D.

0.40mol dm-3

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Correct answer is A

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