Redox and Equivalent ConceptHard
Question
Two acids H2SO4 and H3PO4 are neutralized separately by the same amount of an alkali when sulphate and dihydrogen orthophosphate are formed, respectively. Find the ratio of the masses of H2SO4 and H3PO4.
Options
A.1: 1
B.1: 2
C.2: 1
D.2: 3
Solution
$M_{H_{2}SO_{4}}:M_{H_{3}PO_{4}} = E_{H_{2}SO_{4}}:E_{H_{3}PO_{4}} = \frac{98}{2}:\frac{98}{1} = 1:2$
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