ChemistryAcids, bases and saltsWAEC
25 cm³ of 0.1 mol/dm³ NaOH is neutralised by 20 cm³ of HCl. The concentration of the acid is
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Answer: C. 0.125 mol/dm³
Moles NaOH = 0.0025; 0.0025 ÷ 0.020.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.