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How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two separated substances?

How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two separated substances?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter11: Intermolecular Forces And Liquids
Section: Chapter Questions
Problem 41IL
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How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two separated substances?

A ● Drying the SiO2 18. Dry the SiO2 by placing the evaporating dish on top of a beaker of boiling water on a hot plate, as shown in Figure 2.7. Add boiling stones to the water in the beaker to provide steady boiling without bumping. Heat the water to boiling and continue heating until the SiO₂ is completely dry. For Your Consideration e, each time using 5 washings into the beaker. Note: The supernatant liquid could be used to recover the calcium by reacting it with carbonate. In this lab, the calcium carbonate will be determined by difference: mass of CaCO3 = mass of sample - mass of NaCl- mass of SiO₂ ARUSHA O O 2 3 2-6 4 OFF Figure 2.7 Drying a solid in an evaporating dish 19. Remove the evaporating dish from the beaker and allow the dish and its contents to cool to room temperature. Dry the dish and determine the mass of the dish and its contents. Record the mass. 40988.9 20. Discard your SiO₂ following the directions of your laboratory instructor. Data Analysis Determine the mass of each component in your original sample. Calculate the percentage of each component in the mixture. 5 mL of distilled water and decanting the 7 6 Why should one never weigh a hot object? Why can filtration not be used to separate the components of a salt water mixture? What mistakes in performing this experiment could cause the following errors: The reported percentage of NaCl in the mixture was less than the actual value. The reported percentage of SiO2 in the mixture was more than the actual value. separated substances? How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two *********
Transcribed Image Text:A ● Drying the SiO2 18. Dry the SiO2 by placing the evaporating dish on top of a beaker of boiling water on a hot plate, as shown in Figure 2.7. Add boiling stones to the water in the beaker to provide steady boiling without bumping. Heat the water to boiling and continue heating until the SiO₂ is completely dry. For Your Consideration e, each time using 5 washings into the beaker. Note: The supernatant liquid could be used to recover the calcium by reacting it with carbonate. In this lab, the calcium carbonate will be determined by difference: mass of CaCO3 = mass of sample - mass of NaCl- mass of SiO₂ ARUSHA O O 2 3 2-6 4 OFF Figure 2.7 Drying a solid in an evaporating dish 19. Remove the evaporating dish from the beaker and allow the dish and its contents to cool to room temperature. Dry the dish and determine the mass of the dish and its contents. Record the mass. 40988.9 20. Discard your SiO₂ following the directions of your laboratory instructor. Data Analysis Determine the mass of each component in your original sample. Calculate the percentage of each component in the mixture. 5 mL of distilled water and decanting the 7 6 Why should one never weigh a hot object? Why can filtration not be used to separate the components of a salt water mixture? What mistakes in performing this experiment could cause the following errors: The reported percentage of NaCl in the mixture was less than the actual value. The reported percentage of SiO2 in the mixture was more than the actual value. separated substances? How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two *********
A ● Drying the SiO2 18. Dry the SiO2 by placing the evaporating dish on top of a beaker of boiling water on a hot plate, as shown in Figure 2.7. Add boiling stones to the water in the beaker to provide steady boiling without bumping. Heat the water to boiling and continue heating until the SiO₂ is completely dry. For Your Consideration e, each time using 5 washings into the beaker. Note: The supernatant liquid could be used to recover the calcium by reacting it with carbonate. In this lab, the calcium carbonate will be determined by difference: mass of CaCO3 = mass of sample - mass of NaCl- mass of SiO₂ ARUSHA O O 2 3 2-6 4 OFF Figure 2.7 Drying a solid in an evaporating dish 19. Remove the evaporating dish from the beaker and allow the dish and its contents to cool to room temperature. Dry the dish and determine the mass of the dish and its contents. Record the mass. 40988.9 20. Discard your SiO₂ following the directions of your laboratory instructor. Data Analysis Determine the mass of each component in your original sample. Calculate the percentage of each component in the mixture. 5 mL of distilled water and decanting the 7 6 Why should one never weigh a hot object? Why can filtration not be used to separate the components of a salt water mixture? What mistakes in performing this experiment could cause the following errors: The reported percentage of NaCl in the mixture was less than the actual value. The reported percentage of SiO2 in the mixture was more than the actual value. separated substances? How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two *********
Transcribed Image Text:A ● Drying the SiO2 18. Dry the SiO2 by placing the evaporating dish on top of a beaker of boiling water on a hot plate, as shown in Figure 2.7. Add boiling stones to the water in the beaker to provide steady boiling without bumping. Heat the water to boiling and continue heating until the SiO₂ is completely dry. For Your Consideration e, each time using 5 washings into the beaker. Note: The supernatant liquid could be used to recover the calcium by reacting it with carbonate. In this lab, the calcium carbonate will be determined by difference: mass of CaCO3 = mass of sample - mass of NaCl- mass of SiO₂ ARUSHA O O 2 3 2-6 4 OFF Figure 2.7 Drying a solid in an evaporating dish 19. Remove the evaporating dish from the beaker and allow the dish and its contents to cool to room temperature. Dry the dish and determine the mass of the dish and its contents. Record the mass. 40988.9 20. Discard your SiO₂ following the directions of your laboratory instructor. Data Analysis Determine the mass of each component in your original sample. Calculate the percentage of each component in the mixture. 5 mL of distilled water and decanting the 7 6 Why should one never weigh a hot object? Why can filtration not be used to separate the components of a salt water mixture? What mistakes in performing this experiment could cause the following errors: The reported percentage of NaCl in the mixture was less than the actual value. The reported percentage of SiO2 in the mixture was more than the actual value. separated substances? How could you separate the components of a mixture of CaSO4 and Ca(NO3)2 and recover the two *********
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