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WAEC - Chemistry (2010 - No. 12)

A solution of sodium trioxocarbonate (IV) contains 10.6g in 250cm3 of solution. Calculate the concentration of the solution. [Na2CO3 = 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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