Lessons

Eamcet Chemistry
1st Year : Unit 1.4 (Basics & Concepts) - Stoichiometric Calculations

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Q.

The number of grams of NaOH that completely neutralises 4.9g of phosphoric acid is

View Answer

Correct choice: D

Explanation:

3NaOH + H3PO4 → Na3PO4 + 3H2O
3molesi.e 3X40gm of NaOH neutralize 1mole i.e 98 gm of H3PO4
Wt of NaOH that neutrlise 4.9gm of H3PO4 =(4.9X3X40/98)=6gm
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