A sample of food (1.00 g) was mixed with appropriate amount of water and titrated using silver electrode with 0.0200 M AgNO3. The volume necessary to reach the ending point was 5.0 mL. Calculate the %% of NaCl in the food sample.
A sample of food (1.00 g) was mixed with appropriate amount of water and titrated using...
A mixture only contains KCl and NaBr is analysed using Mohr method. A sample of this mixture weighing 0.3172 g is dissolved in 50.00 mL distilled water and titrated to an end-point 36.85 mL of 0.1120 M AgNO3 solution. The blank titration required 0.71 mL to reach the same end-point. Calculate the percentage (w/w) of KCl and NaBr each in the same sample. [RMM: KCl = 74.6, NaBr = 102.9]
| A 0.458 g sample of a diprotic acid is dissolved in water and titrated with 0.170 M NaOH. What is the molar mass of the acid if 37.4 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.734 g sample of a diprotic acid is dissolved in water and titrated with 0.170 M NaOH. What is the molar mass of the acid if 32.2 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point.
A 0.554 g sample of a diprotic acid is dissolved in water and titrated with 0.150 M NaOH. What is the molar mass of the acid if 36.7 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point.
A 0.541 g sample of a diprotic acid is dissolved in water and
titrated with 0.160 M NaOH. What is the molar mass of the acid if
30.6 mL of the NaOH solution is required to neutralize the sample?
Assume the volume of NaOH corresponds to the second equivalence
point.
molar mass: _____ g/mol
A 0.521 g sample of a diprotic acid is dissolved in water and titrated with 0.160 M NaOH. What is the molar mass of the acid if 40.4 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.401 g sample of a diprotic acid is dissolved in water and titrated with 0.130 M NaOH. What is the molar mass of the acid if 31.3 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.824 g sample of a diprotic acid is dissolved in water and titrated with 0.200 M NaOH. What is the molar mass of the acid if 37.2 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.334 g sample of a diprotic acid is dissolved in water and titrated with 0.120 M NaOH. What is the molar mass of the acid if 30.5 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: 91.25 g/mol
A 0.826 g sample of a diprotic acid is dissolved in water and titrated with 0.110 M NaOH. What is the molar mass of the acid if 36.5 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol Não