Q. The equivalent mass of H3PO4 (Molecular weight = 98 g/mol) and Na2HPO4 (Molecular weight = 142 g/mol) in the reaction are respectively : H3PO4 + 2NaOH → Na2HPO4 + 2H2O (1) 49, 142 (2) 49, 71 (3) 98, 71 (4) 98, 142
![The equivalent weight of Na(2) HPO(4) can be a. M//2 as base b. M//1 as acid c. Both (a) and (b) d. Neither (a) and (b) The equivalent weight of Na(2) HPO(4) can be a. M//2 as base b. M//1 as acid c. Both (a) and (b) d. Neither (a) and (b)](https://d10lpgp6xz60nq.cloudfront.net/ss/web/268531.jpg)
The equivalent weight of Na(2) HPO(4) can be a. M//2 as base b. M//1 as acid c. Both (a) and (b) d. Neither (a) and (b)
![OneClass: Equal molar quantities of sodium hydroxide and sodium hydrogenphosphate (Na2HPO4) are mixed... OneClass: Equal molar quantities of sodium hydroxide and sodium hydrogenphosphate (Na2HPO4) are mixed...](https://prealliance-textbook-qa.oneclass.com/qa_images/homework_help/question/qa_images/98/9841794.jpeg)
OneClass: Equal molar quantities of sodium hydroxide and sodium hydrogenphosphate (Na2HPO4) are mixed...
![Calculate the pH of a buffer solution obtained by dissolving 25.0 g of KH2PO4(s) and 38.0 g of Na2HPO4(s) in water and then diluting to 1.00 L. | Homework.Study.com Calculate the pH of a buffer solution obtained by dissolving 25.0 g of KH2PO4(s) and 38.0 g of Na2HPO4(s) in water and then diluting to 1.00 L. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/screenshot_11302096438265624283271.png)
Calculate the pH of a buffer solution obtained by dissolving 25.0 g of KH2PO4(s) and 38.0 g of Na2HPO4(s) in water and then diluting to 1.00 L. | Homework.Study.com
![A buffer solution 0.04 M in Na2HPO4 and 0.02 M in Na3PO4 is prepared. The electrolytic oxidation of 1.0 milli - mole of the organic compound RNHOH is carried out in 100 A buffer solution 0.04 M in Na2HPO4 and 0.02 M in Na3PO4 is prepared. The electrolytic oxidation of 1.0 milli - mole of the organic compound RNHOH is carried out in 100](https://dwes9vv9u0550.cloudfront.net/images/6001201/f7222dd5-82c3-40c9-8e69-cc22c48997c9.jpg)
A buffer solution 0.04 M in Na2HPO4 and 0.02 M in Na3PO4 is prepared. The electrolytic oxidation of 1.0 milli - mole of the organic compound RNHOH is carried out in 100
![SOLVED: Predict whether the salt Na2HPO4 forms an acidic solution or a basic solution when dissolved in water. SOLVED: Predict whether the salt Na2HPO4 forms an acidic solution or a basic solution when dissolved in water.](https://cdn.numerade.com/ask_previews/e4679712-db67-44ae-a43e-1c5f8c35c542_large.jpg)
SOLVED: Predict whether the salt Na2HPO4 forms an acidic solution or a basic solution when dissolved in water.
![If 2.5 moles each of H3PO4,NaH2PO4,Na2HPO4 and Na3PO4 are mixed together to form an aqueous solution, then the resulting pH is:Given values of Ka are: Ka1 = 10^-3 Ka2 = 10^-7 Ka3 = 10^-13 If 2.5 moles each of H3PO4,NaH2PO4,Na2HPO4 and Na3PO4 are mixed together to form an aqueous solution, then the resulting pH is:Given values of Ka are: Ka1 = 10^-3 Ka2 = 10^-7 Ka3 = 10^-13](https://haygot.s3.amazonaws.com/questions/1942843_791705_ans_ff6f2187a03a43e0bdd77a3d5bb5b4ef.jpg)