Paragraph for Question Nos 26 and 27 10 5 g of a mixture

Last updated: 7/4/2023

Paragraph for Question Nos 26 and 27 10 5 g of a mixture containing P40 0 Na3PO4 and NaCl was dissolved in water and diluted to 250 cc In solution P 010 P4010 was hydrolysed completely to phosphoric acid H PO4 The resulting solution was analy volumetrically Atomic masses of P 31 Na 23 O 16 26 If 35 ml of above stock solution was titrated using 1 1 N NaOH solution 15 ml of base was requied to reach equivalance point Molarity of H PO4 in solution was approximately A 0 7 C 0 9 B 0 8 D 0 16