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        Ammonium sulphate reacts with one mole of MnSO4 and (NH4)2S2O8 which are correct statement regarding the above reaction?

(1)n factor of (NH4)2S2O8 is 1
(2)moles of (NH4)2S2O8 reacted is 2
(3)n factor of MnO2 is 2
(4)n factor of mno2 is 1
9 years ago

Answers : (1)

askIITians Faculty
131 Points
							Hello Students,
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Here I am explaining you how to calculate n-factor
The n-factor for such salts is defined as the total moles of catioinic/anionic charge replaced in 1 mole of the salt. For the reaction,

Na3PO4+ BaCI2→ NaCI + Ba3(PO4)2

To get one mole of Ba3(PO4)2, two moles of Na3PO4are required, which means six moles of Na+are complete replaced by 3 moles of Ba2+ions. So, six moles of cationic charge is replaced by 2 moles of Na3PO4, thus each mole of Na3PO4replaces 3 moles of cationic charge. Hence, n-factor of Na3PO4in this reaction is 3.
5 years ago
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