Q: A series of sulfate samples is to be analyzed by precipitation as
A series of sulfate samples is to be analyzed by precipitation as BaSO4. If it is known that the sulfate content in these samples ranges between 20% and 55%, what minimum sample mass should be taken t...
See AnswerQ: Standardization of a sodium hydroxide solution against potassium hydrogen phthalate (KHP
Standardization of a sodium hydroxide solution against potassium hydrogen phthalate (KHP) yielded the results in the following table. a. the average molar concentration of the base. b. the standard...
See AnswerQ: The concentration of a perchloric acid solution was established by titration against
The concentration of a perchloric acid solution was established by titration against primary-standard sodium carbonate (product: CO2 ); the following data were obtained.
See AnswerQ: If 1.000 L of 0.2000 M NaOH was
If 1.000 L of 0.2000 M NaOH was unprotected from the air after standardization and absorbed 14.2 mmol of CO2 , what is its new molar concentration when it is standardized against a standard solution o...
See AnswerQ: A NaOH solution was 0.1019 M immediately after standardization.
A NaOH solution was 0.1019 M immediately after standardization. Exactly 500.0 mL of the reagent was left exposed to air for several days and absorbed 0.652 g of CO2 Calculate the relative carbonate...
See AnswerQ: Calculate the molar concentration of a dilute HCl solution if a
Calculate the molar concentration of a dilute HCl solution if a. A 50.00-ml aliquot yielded 0.6027 g of agcl. b. The titration of 25.00 ml of 004096mbaOH2 required 17.93 ml of the acid c. The t...
See AnswerQ: Calculate the molar concentration of a dilute BaOH2
Calculate the molar concentration of a dilute BaOH2 solution if a. 50.00 mL yielded 0.1791 g of BaSO4 b. titration of 0.4512 g of primary-standard potassium hydrogen phthalate (KHP) required 26.46 m...
See AnswerQ: Suggest a range of sample masses for the indicated primary standard if
Suggest a range of sample masses for the indicated primary standard if it is desired to use between 35 and 45 mL of titrant a. 0.180 M HClO4 titrated against Na2CO3(CO2 product) b. 0.102 M HCl titrate...
See AnswerQ: Calculate the relative standard deviation in the computed molar concentration of 0
Calculate the relative standard deviation in the computed molar concentration of 0.0200 M HCl if this acid was standardized against the masses found in Example 14-1 for (a) TRIS, (b) Na2CO3 , and (c)...
See AnswerQ: Calculate the molar H3O+ ion concentration of a solution that has
Calculate the molar H3O+ ion concentration of a solution that has a pH of a. 3.73. b. 3.28. c. 0.59. d. 11.29. e. 7.62. f. 5.19. g. -0.76. h. -0.42.
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