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وارد شوید

JAMB - Chemistry (2011 - No. 1)

What is the concentration of a solution containing 2g of NaOH in 100cm3 of solution?
[Na = 23, O = 16, H = 1]
0.40 mol dm-3
0.50 mol dm-3
0.05 mol dm-3
0.30 mol dm-3

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