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WAEC - Chemistry (2008 - No. 15)
If 5.00cm
3
of 0.20 mol dm
-3
Na
2
CO
3
was diluted with distilled water to obtain 250 cm
3
solution, what is the concentration of the resulting solution?
0.004 mol dm
-3
0.02 mol dm
-3
0.20mol dm
-3
0.40mol dm
-3
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