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WAEC - Chemistry (2010 - No. 12)
A solution of sodium trioxocarbonate (IV) contains 10.6g in 250cm
3
of solution. Calculate the concentration of the solution. [Na
2
CO
3
= 106.0]
0.4 mol dm
-3
1.0 mol dm
-3
10.6 mol dm
-3
25.0 mol dm
-3
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