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Question 8 Which of the following ions does not have a -1 charge? Nitrite O Acetate...
With which of the following ions would you expect a color change after the addition of acidified potassium permanaganate? Select all that apply. nitrite nitrate carbonate sulfite sulfate phosphate chromate
Question 8 Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25°C. The acid is followed by its K, value. O HOCI, 29 * 10-8 HC6H50, 1.3 * 10-10 o HNO2,4.6 104 HCHO2, 1.8 104 HCIO, 1.1x102 D Question 14 A few granules of manganese metal are placed in a solution of nickel(II) nitrate. Which of The following does not occur? o the manganese is oxidized to manganese ions...
Which one of the following solutions will have the greatest concentration of hydroxide ions? O 0.48966667 M potassium hydroxide 1.47 M lithium hydroxide O 0.48966667 M ammonia 0.48966667 M magnesium hydroxide O 0.48966667 M nitric acid
Question 3 1 pts Which of the following ions does not have an octet in its outer shell? N3- CI S24 Al3+ Ca2
Question 11 Which of the following solutions will have the highest concentration of chloride ions? O A 0.10 M NaCI O 0.10 M MgCl2 O C 0.10 M AICl3 O D0.05 M CaCl2 O E All of these solutions have the same concentration of chloride ions.
Q.7. Draw and make models for the following ions. Show formal charge(s) where appropriate. Predict the angles around the central atom(s). a) Carbonate ion, CO3-2 Angle: b) Nitrite ion, NO2-1 Angle: c) Hydrogensulfate ion, HSO4-! Angle: d) Acetate ion, CH3CO2-! Angles
11. Draw the Lewis structures and Rank the following ions in terms of increasing N-O bond length and bond energy: NO, (nitrite ion), NO (nitrosonium ion) and NO, (nitrate ion). Increasing N-O bond length: Increasing N-O bond energy:
Which of the following molecules or ions does not contain a central atom with sp- hybridization? Select one: a. sulfite b. nitrate O c. BF₃ d. carbonate e. CH4
Hi there I need help please. 26. Which of the following does not have eight valence electrons? A) Ca+ B) Rb+ C) Xe D) Br E) All of the above have eight valence electrons. as the magnitude of the ion 27. In ionic bond formation, the lattice energy of ions charges A) decrease, decrease, decrease B) increases, increase, increase C) decreases, increase, increase D) increases, increase, decrease E) increases, decrease, decrease and the radii 28. Which formula/name pair is incorrect?...
1) Solid silver nitrite is slowly added to 50.0 mL of a 0.108 M potassium phosphate solution until the concentration of silver ion is 0.0454 M. The percent of phosphate ion remaining in solution is ____%. 2) Use the References to access important values if needed for this question. Solid ammonium carbonate is slowly added to 75.0 mL of a 0.270 M barium nitrate solution until the concentration of carbonate ion is 0.0662 M. The percent of barium ion remaining...