number of amphoteric ions in aqueous solution of phosphorus acid is/are
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The hydrogen atom attached to phosphorus is not acidic so there are only two dissociation constants which have the values Ka1 = 5.1 × 10−2 and Ka2 = 1.8 × 10−7. Normal phosphites contain the HPO32− ion that has an irregular tetrahedral structure. The acid salts contain H2PO3−.
Organic phosphites are relatively important because they have useful properties and function as reactive intermediates for preparing numerous other compounds. The organic phosphites have the general formulas (RO)2P(O)H and (RO)3P
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If you Want to make a 10% solution. Add 100 g of NaOH to 900ml (=900g) of water (De ionized). That will give you a 10% NaOH solution
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