25cm 3 of a 0.2 mol dm 3 solution of Na2CO3 requires 20 cm 3
CHEMISTRY
JAMB 2002
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 Answer: A. 0.5 mol dm3
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