Question

Solve this last one also...

The normality of 0.3 and phosphorus acid h 3 PO 3 is ?

Answer 1

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As we know that,

Phosphorus is an dibasic acid so , it can has only 2 replaceble hydrogens

•°• Normality = molarity × basicity = 0.3 × 2 = 0.6

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Answer 2

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Normality = Molarity / Number of Hydrogen atoms in one molcule.

Phosphoric Acid = H3PO4

Normality = 0.3 x 3 = 0.9 N.