25cm3 of a 0 2 mol dm3 solution of Na2CO3 requi... - JAMB Chemistry 2002 Question
25cm3 of a 0.2 mol dm3 solution of Na2CO3 requires 20 cm3 of a solution of HCl for neutralization. The concentration of the HCl solution is
A
0.5 mol dm3
B
0.6 mol dm3
C
0.2 mol dm3
D
0.4 mol dm3
correct option: a
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