When forming barium sulfate from copper sulfate, 6M HCL is added in order to A. prevent...
When forming barium sulfate from copper sulfate, 6M HCL is added in order to
| A. |
prevent Ba(OH)2 from forming |
|
| B. |
increase the size of the Ba(OH)2 crystals |
|
| C. |
lower the pH |
|
| D. |
A and B |
Homework Answers
Barium hydroxide is a weak base and as soon as it appears, it is neutralised by 6M HCl which is a strong acid. Otherwise, Ba(OH)2 being insoluble in water, will also precipitate. To prevent this you add 6M HCl.
So, first option is correct.
Comment if any problem.
Add Answer to:
When forming barium sulfate from copper sulfate, 6M HCL is added
in order to
A.
prevent...
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2) For the balanced equation; BaCl2 + K2SO4 → BaSO4 + 2KCI a) How many mole(s) of barium sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BaCl2 will react to produce how many moles of potassium chloride? 3) For the balanced...
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25. In accordance with the solubility solutions of copper (II) sulfate and barium chion ce with the solubility rules, which of the following is true when aqueous copper (II) sulfate and barium chloride are mixed? (A) CuCl2 will percipitate: Ba2+ and SO2 are spectator ions. (B) Baso. will percipitate: Ba2+ and SO2 are spectator ions. (C) BaSo, will percipitate; Cu2+ and Cl' are spectator ions. (D) CuCl2 will percipitate; Cu2+ and Cl' are spectator ions. (E) No percipitate will form....
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0.1 mole of barium chloride?
b) 3 moles of BACL2 will react to produce how many moles of
potassium chloride?
and so on.....
2) For the balanced equation; BaCl2 + K2SO4 → BaSO4 + 2KCI a) How many mole(s) of barium sulfate are produced from 0.1 mole of barium chloride? b) 3 moles of BaCl2 will react to produce how many moles of potassium chloride? 3) For the balanced...
5. (2 points) Write the a) mass balance expression(s) and b) charge balance expression for barium sulfate, BaSO4, in 0.10 M HCl. The pertinent equilibria are: BaSO4(s) = Ba²+ + SO2- H3O+ + SO42- = HSO4 + H2O 2H,0 = H3O+ + OH
3. Barium hydroxide Ba(OH)2 was dissolved in pure water at 5 Cuntil a saturated solution was obtained. The pH of this solution was found to be 12.25. a) (2 marks) What is the molar solubility of Ba(OH), in pure water at this temperature? Express your answer in mol/L. Show your work. b) (1 mark) What is the Kp of Ba(OH)2 at this temperature? Show your work. c) (0.5 marks) If Ba(OH)2 was added to a solution already containing 0.100 M...
buffer is HC2H3O2/NaC2H3O2
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why such a bug change when you add an acud or base to water
but not to butfer?
1. a) Describe the difference in observed pH changes upon adding a small amount of strong acid or base to 25.0 mL of water vs to 25.0 mL of your buffer. b) Explain why there was a difference. 6.0M HC,H,O, is corrosive. Prevent...
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