Chemistry > 2008 > 15
WASSCE
If 5.00cm3 of 0.20 moldm-3 Na2CO3 was diluted with distilled water to obtain 250cm3 solution, what is the concentration of the resulting solution?
A.
0.004 mol dm-3
B.
0.02 mol dm-3
C.
0.20 mol dm-3
D.
0.40 mol dm-3
Answer: A
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