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![. 1570 E- + HO HE & OH 15 M 50+50 to 0.15M txt 0.15-a 0.15-x no.15 decor15 - Kw & 2 Ka ارد 0.15 Ku a [HF] [onl xxa [0,15- ] 0](http://img.homeworklib.com/questions/f118cf70-6f4a-11ea-9569-2521c92faad6.png?x-oss-process=image/resize,w_560)
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23. What is the pH of the solution which results from mixing 50,0 ml. of 0.30...
5 Qc 5. What is the pH of the solution that results from adding 25 mL...
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Qc 5. What is the pH of the solution that results from adding 25 mL of 0.33M HCI to 25 mL of 0.58 M NH,? (K for NHs 1.8 x 10) a) 3.87 b) 4.62 c) 8.99 d) 9.13 e) 9.38 Answer: d 6. What is the pH of the solution that results from adding 15 mL of 0.50 M NaOH to 25 mL of 0.50 M HF? (K,or HF = 7.2 x 10) b) 3.49 a) 3.32 c)...
What is the pH of the solution that results from adding 15 mL of 0.50 M...
What is the pH of the solution that results from adding 15 mL of 0.50 M NaOH to 25 mL of 0.50 M HF? (Ka for HF = 7.2 x 10^-4)
please explain how you got all your answers 10. Calculate the pH of a 0.30 M...
please explain how you got all your answers
10. Calculate the pH of a 0.30 M formic acid solution. (K-1.8 x 10") Weak monoprotic acid. 11. Calculate the K, for a 0.050 M solution of HA (weak acid) if the pH = 4.65. 12. What is the pH of the solution which results from mixing 50.0 mL of 0.30 M HF(aq) and 50.0 mL of 0.30 M NaOH(aq) at 25C? (K. of F = 1.4 x 10) 13. Which of...
A solution is formed by mixing 50.0 mL of 9.6 MNaX with 50,0 mL of 1.0...
A solution is formed by mixing 50.0 mL of 9.6 MNaX with 50,0 mL of 1.0 x 108 M CuNO3. Assume that Cut forms complex ions with X as follows: Cu+ (aq) + X(aq) + CuX(aq) K1 = 1.0 x 102 CuX(aq) + X- (aq) + Cux,- (aq) Kg = 1.0 x 104 CuX2 - (aq) + X-(aq) = CuXg2- (aq) K3 = 1.0 x 108 with an overall reaction Cu" (aq) + 3X- (aq) + CuX, 2- (aq) K...
32. What substances are present in an aquesous solution that results from mixing 25.0 ml of...
32. What substances are present in an aquesous solution that results from mixing 25.0 ml of 0.20 M HCN with 20.0 mL of 0.25 M KOH? A) HCN, KOH and water B) HCN, KCN and water C) KCN, KOH, and water D) KCN and water 33. Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (K. = 4.9 x 10-10) solution. A) 5.15 B) 8.71...
22. The pH of aqueous 0.50 M hypobromous acid, HBrO, is 4.45. What is the K....
22. The pH of aqueous 0.50 M hypobromous acid, HBrO, is 4.45. What is the K. of this acid? a. 2.5 x 10 b. 5.0 x 10° c. 3.4 x 10-7 d. 3.5 x 10 e. 7.1 x 10 What is tha nhl af the solution which results from mixing 50.0 ml of 0.30 M HF(aq) and 500 m
23) What is the pH of a solution prepared by mixing:
23) What is the pH of a solution prepared by mixing: 0.20 moles of acetic acid 0.40 moles of sodium acetate 0.10 moles of sodium hydroxide in 1.0 L of solution a) 4.74 b) 4.14 5.34 d) 13.00 e) None of the above 24) Barbituric acid (Ka = 9.8 X 10-5) is titrated with 0.200 M NaOH. What is the initial pH of 20.0 mL of 0.100 barbituric acida) 2.50 b) 4.01 c) 8.35 d) 7.00 e) None of the above 25) What is the pH in...
1) Calculate the pH of a solution produced by mixing 100.0 mL of 0.10 M HCl(aq)...
1) Calculate the pH of a solution produced by mixing 100.0 mL of 0.10 M HCl(aq) and 100.0 mL of 0.20 M NaOH(aq). 2) Calculate the pH of an aqueous solution made by mixing 100.0 mL of 0.40 M NH4Cl and 50.0 mL of 0.40 M NaOH. The pKa of NH4+ is 9.24.
What is the pH of a buffer that is prepared by mixing 30.0 mL of 1.1...
What is the pH of a buffer that is prepared by mixing 30.0 mL of 1.1 M HF and 20.0 mL of 2.4 M KF? (Ka for HF 7.2 x 10^-4)
18. What is the pH of a 100.Oml-solution containing 0.50 M NaF and 0.20 MHF? Ka...
18. What is the pH of a 100.Oml-solution containing 0.50 M NaF and 0.20 MHF? Ka HF = 6.3 x 10-4 a) 3.60 b) 2.60 c) 3.20 d) 2.80 e) 1.80 19. What is the pH of a solution prepared by mixing 50.0 mL of 0.015 M NaOH and 50.0 mL of 0.012 MHBr? a) 10.18 b) 3.82 c) 11.18 d) 2.82 e) No way to calculate, because K, is not given 20. When solid Cus(PO4)2 dissolves in pure water,...
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Qc 5. What is the pH of the solution that results from adding 25 mL of 0.33M HCI to 25 mL of 0.58 M NH,? (K for NHs 1.8 x 10) a) 3.87 b) 4.62 c) 8.99 d) 9.13 e) 9.38 Answer: d 6. What is the pH of the solution that results from adding 15 mL of 0.50 M NaOH to 25 mL of 0.50 M HF? (K,or HF = 7.2 x 10) b) 3.49 a) 3.32 c)...
please explain how you got all your answers
10. Calculate the pH of a 0.30 M formic acid solution. (K-1.8 x 10") Weak monoprotic acid. 11. Calculate the K, for a 0.050 M solution of HA (weak acid) if the pH = 4.65. 12. What is the pH of the solution which results from mixing 50.0 mL of 0.30 M HF(aq) and 50.0 mL of 0.30 M NaOH(aq) at 25C? (K. of F = 1.4 x 10) 13. Which of...
A solution is formed by mixing 50.0 mL of 9.6 MNaX with 50,0 mL of 1.0 x 108 M CuNO3. Assume that Cut forms complex ions with X as follows: Cu+ (aq) + X(aq) + CuX(aq) K1 = 1.0 x 102 CuX(aq) + X- (aq) + Cux,- (aq) Kg = 1.0 x 104 CuX2 - (aq) + X-(aq) = CuXg2- (aq) K3 = 1.0 x 108 with an overall reaction Cu" (aq) + 3X- (aq) + CuX, 2- (aq) K...
32. What substances are present in an aquesous solution that results from mixing 25.0 ml of 0.20 M HCN with 20.0 mL of 0.25 M KOH? A) HCN, KOH and water B) HCN, KCN and water C) KCN, KOH, and water D) KCN and water 33. Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (K. = 4.9 x 10-10) solution. A) 5.15 B) 8.71...
22. The pH of aqueous 0.50 M hypobromous acid, HBrO, is 4.45. What is the K. of this acid? a. 2.5 x 10 b. 5.0 x 10° c. 3.4 x 10-7 d. 3.5 x 10 e. 7.1 x 10 What is tha nhl af the solution which results from mixing 50.0 ml of 0.30 M HF(aq) and 500 m
18. What is the pH of a 100.Oml-solution containing 0.50 M NaF and 0.20 MHF? Ka HF = 6.3 x 10-4 a) 3.60 b) 2.60 c) 3.20 d) 2.80 e) 1.80 19. What is the pH of a solution prepared by mixing 50.0 mL of 0.015 M NaOH and 50.0 mL of 0.012 MHBr? a) 10.18 b) 3.82 c) 11.18 d) 2.82 e) No way to calculate, because K, is not given 20. When solid Cus(PO4)2 dissolves in pure water,...
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