1.

What is molecular mass of H PO,. Determine its equivalent mass of H PO, in followingreaction-i) H.PO, + NaOH → NaH PO, + H2O ii) HPO, + 2NaOH →Na HPO, + 2H,0​

Answer»

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the BRANCH of science concerned with the substances of which matter is COMPOSED, the investigation of their properties and reactions, and the USE of such reactions to form NEW substances.



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