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Question 35 of 37 What is the pH of a 0.00430 M solution of HCI? 1...
( Question 33 of 37 Submit The pH of a basic solution is 8.65. What is [H]? 1.7 x 10 -10 M 3 1 2 4 5 6 с 7 8 9 +/- 0 X 100 dtv A
Question 33 of 37 The pH of a basic solution is 8.65. What is [H]? 1.7 x 10-10 M 1 1 2 3 х 4 5 6 C 7 oo 9 +/- 0 X 100 etv A P W
Question 6 of 12 Submit What is the pH of a 0.0550 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10-10)? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10
Question 9 of 12 Submit What is the pH of a 9.7 x 10-6 M KOH solution? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10 Question 10 of 12 Submit The pOH of 0.0240 M solution of Sr(OH)2 is 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10
Question 25 of 37 Submit The concentration of the hydronium ion in an aqueous solution at 25°C is 0.0054 M. What is the concentration of the hydroxide ion? M 1 3 x N 4 5 6 с 7 8 9 +/- 0 x 100 Tap here or pull up for additional resources
Question 5 of 12 Submit The pH of an acidic solution is 5.57. What is POH? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10 21:19 Question 6 of 12 Submit Rank the following in order of most acidic to least acidic. Solution X pH = 8.50 Solution Y pOH = 4.30 Solution Z [OH-] = 4.2 x 10-9 M A) Z > X > Y B) Y > > C)Y>Z> D) X > Y>Z
Question 41 of 68 What is the pH of a 0.0710 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10/1)? 1 2 3 7 8 9 +/- x 100
6. What is the pH of a 2.75 x 10-6 M solution of HCI? 5.56 5.54 4.85 3.26 7. Consider the complexation reactions below: Zn2++C2O Zn2++2 C2022 ZnC20 Zn(C204)22 K1= 7.1 x 10 B1 4.0 x 107 If you mix 0.025 M Zn(NO3) with 0.030 M Na,C,O4, what is the mass balance C2O,2-? O 2IZN*] = 2 (C,0,2-1+2 [Zn(C,0,)2 0.030 = [C20,2- + [Zn(C204)] + [Zn (C,O4)22- [C20,2-1+Zn(C20,)] + 2 [Zn(C204)22-] 0.030 O None of the above. 8. Butanoic acid...
14. Calculate the [H,0+and the pH of each solution. a. 1 x105 M HCI c. 1 x 10-1 M H,SO, b. 5 x 103 M HC1 d. 1 105 MH,SO, 15. Calculate the (OH) and the pOH of each solution in problem 14. (-16. What is [H,O+] in each of the following solutions? a. orange juice, pH = 4.0 b. black coffee, pH = 5.0 c. pure water, pH = 7.0 d. phosphate detergent solution, pH = 9.5 e. seawater,...
29 31 32 33 34 35 36 37 38 39 40 Calculate the pH at 25 °C of a 0.72 M solution of lidocaine HCI (CH,,NONH,CI). Note that lidocaine (C, H, NONH) is a weak base with a pk, of 7.94 Round your answer to 1 decimal place. pH = 10] x 5 ?