What would you expect to happen if an unknown solution that may contain ions from Group...
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What would you expect to happen if an unknown solution that
may contain ions from Group...
A solution that may contain Cu2+, Bi3+, Sn4+, or Sb3+ ions is treated with thioacetamide in an ac...
A solution that may contain Cu2+, Bi3+, Sn4+, or Sb3+ ions is treated with thioacetamide in an acid medium. The black precipitate that forms is partly soluble in strongly basic solution. The precipitate that remains is soluble in 6 M HNO3 and gives only a white precipitate upon the addition of NH4OH. The basic solution, when acidified, produces, an orange precipitate.. which group 2 ions are present? which are absent? and which are still in doubt? How would you remove...
2. A solution that may contain Sn.Bi. Cu and Cd²+ ions is treated with thioacetamide in...
2. A solution that may contain Sn.Bi. Cu and Cd²+ ions is treated with thioacetamide in an acidic medium. The black precipitate that forms is partly soluble in a strongly alkaline solution. The precipitate that remains is soluble in 6M HNO, and gives a blue solution when treated with excess NH. Based on this information, which ions are present, which are absent, and which are still in doubt? 3. Explain how controlling the solution pH allows separation of Group II...
4a. Considering the solubility rules for Group I metal carbonates, what are the possible outcomes when your sample...
4a. Considering the solubility rules for Group I metal carbonates, what are the possible outcomes when your sample is mixed with water? b. What will happen to the carbonate in solution if you add a second solution that contains an alkaline carth metal? c. Considering the answer to 4b, what general type of reaction would you perform to determine the number of moles of one of the ions? d. Will you be able to measure the number of moles directly?...
2. A solution that may contain Sn.Bi. Cu? and Cdions is treated with thioacetamide in an...
2. A solution that may contain Sn.Bi. Cu? and Cdions is treated with thioacetamide in an acidic medium. The black precipitate that forms is partly soluble in a strongly alkaline solution. The precipitate that remains is soluble in 6M HNO, and gives a blue solution when treated with excess NH Based on this information, which ions are present, which are absent, and which are still in doubt? Present Absent Snut Cu 2+ Bi 34 3. Explain how controlling the solution...
3. A solution that may contain any of the group III cations. Treatment of the solution with CIO i...
3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in alkaline medium yields a yellow solution and a colored precipitate. The acidified solution is unaffected by treatment with NH,OH. The colored precipitate dissolves in nitric acid; addition of excess NH,OH to this acidic solution produces only a blue solution. Which group III ions are present? Which are absent? Which are in doubt? How would you remove all doubt?
3. A solution...
a solution that may contain any of the group three cations. Treatment of the solution with...
a solution that may contain any of the group three cations. Treatment of the solution with clo- in alkaline medium yields a yellow solution and a colored precipitate. The Acidified solution is unaffected by treatment with nh4oh. The colored precipitate dissolves in nitric acid addition; addition of excess nh4oh to this acidic solution produces only a blue solution. Which group 3 ions are present? which are absent? which are in doubt? how would you remove all doubt?
3. A solution that may contain any of the group III cations. Treatment of the solution...
3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in alkaline medium yields a yellow solution and a colored precipitate. The acidified solution is unaffected by treatment with NH,OH. The colored precipitate dissolves in nitric acid; addition of excess NH,OH to this acidic solution produces only a blue solution. Which group III ions are present? Which are absent? Which are in doubt? How would you remove all doubt? 149
From an economist's viewpoint, what would you expect to happen in the market as the number...
From an economist's viewpoint, what would you expect to happen in the market as the number of wireless providers goes from 2 to 8? Name and explain at least 3 things.
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition...
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition of 6 M HCl to the solution does not produce a precipitate. Addition of NH4Cl followed by 6 M NH3 until basic, produces a precipitate. What can you conclude based on these observations? lon(s) absent: lon(s): Undetermined: lon(s) present:
3. What would you expect to happen to the stock of domestic bonds in the hands...
3. What would you expect to happen to the stock of domestic bonds in the hands of the public as R and Y both increase along a stable MM curve? Explain in intuitive terms how such a change in the stock of domestic bonds in the hands of the public could be brought about
2. A solution that may contain Sn.Bi. Cu and Cd²+ ions is treated with thioacetamide in an acidic medium. The black precipitate that forms is partly soluble in a strongly alkaline solution. The precipitate that remains is soluble in 6M HNO, and gives a blue solution when treated with excess NH. Based on this information, which ions are present, which are absent, and which are still in doubt? 3. Explain how controlling the solution pH allows separation of Group II...
4a. Considering the solubility rules for Group I metal carbonates, what are the possible outcomes when your sample is mixed with water? b. What will happen to the carbonate in solution if you add a second solution that contains an alkaline carth metal? c. Considering the answer to 4b, what general type of reaction would you perform to determine the number of moles of one of the ions? d. Will you be able to measure the number of moles directly?...
2. A solution that may contain Sn.Bi. Cu? and Cdions is treated with thioacetamide in an acidic medium. The black precipitate that forms is partly soluble in a strongly alkaline solution. The precipitate that remains is soluble in 6M HNO, and gives a blue solution when treated with excess NH Based on this information, which ions are present, which are absent, and which are still in doubt? Present Absent Snut Cu 2+ Bi 34 3. Explain how controlling the solution...
3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in alkaline medium yields a yellow solution and a colored precipitate. The acidified solution is unaffected by treatment with NH,OH. The colored precipitate dissolves in nitric acid; addition of excess NH,OH to this acidic solution produces only a blue solution. Which group III ions are present? Which are absent? Which are in doubt? How would you remove all doubt?
3. A solution...
3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in alkaline medium yields a yellow solution and a colored precipitate. The acidified solution is unaffected by treatment with NH,OH. The colored precipitate dissolves in nitric acid; addition of excess NH,OH to this acidic solution produces only a blue solution. Which group III ions are present? Which are absent? Which are in doubt? How would you remove all doubt? 149
From an economist's viewpoint, what would you expect to happen in the market as the number of wireless providers goes from 2 to 8? Name and explain at least 3 things.
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition of 6 M HCl to the solution does not produce a precipitate. Addition of NH4Cl followed by 6 M NH3 until basic, produces a precipitate. What can you conclude based on these observations? lon(s) absent: lon(s): Undetermined: lon(s) present:
3. What would you expect to happen to the stock of domestic bonds in the hands of the public as R and Y both increase along a stable MM curve? Explain in intuitive terms how such a change in the stock of domestic bonds in the hands of the public could be brought about
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