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Describe amphoteric behavior and give an example of it other than the one given in your lab manual.
Explain why is it good to form only one precipitate when analyzing your unknowns?
Explain why is it important to perform the ammonia tests with no other sets of cations in the tray?
Explain whether it is True or False: Confirmatory tests should always be carried out initially on a known sample of cations..
If you add a silver ion solution to a carbonate ion solution a brown precipitate forms. Explain what can this precipitate be? Define possibilities and the way to determine what it actually is.
determine the mass of aluminum acetate that can be made if you do the reaction with 125 grams of acetic acid and 275
If you mix 10 mL of a 0.1 M HCl solution with 8 mL of a 0.2 M NaOH solution, what will be the resulting pH? If a weak acid, HA, is 3% dissociated in a 0.25 M solution, calculate the Ka and the pH of the solution.
Determine the minimum wavelength of light necessary to overcome the work function of the following metals
What is the change in the internal energy of the system as the system travels down the isotherm from state A to state C? Change in internal energy down the isotherm = 0.000
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge and dash bonds for the substituent groups
Explain what mass of potassium hydroxide is necessary to prepare a 5 L stock solution of 0.8 M KOH
consider 25.0 g of water at 21.7degc that are mixed with 25.0 g of water at 43.3degc in a foam cup calorimeter. the
Potassium and oxygen gas react to form potassium oxide. b. Sodium and water react to form sodium hydroxide and hydrogen gas. c. Iron and oxygen gas react to form iron (III) oxide.
a 0.517 -g sample of a nonvolatile solid solute dissolved in 15.0 g of t-butanol. the freezing point of the solution is
salicylic acid with methanol to yield methyl salicylate why wouldnt you use a strong base like sodium hydroxide?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Lysine is an amino acid that is an essential part of nutrition but which is not synthesized by the human body.
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