Find the pH of the solutions of mixtures of acids.
1. 0.185 M in HCHO2 and 0.22 M in HC2H3O2
2. 6.0×10−2 M in acetic acid and 6.0×10−2 M in hydrocyanic acid
Find the pH of the solutions of mixtures of acids. 1. 0.185 M in HCHO2 and...
Find the pH of each of the following solutions of mixtures of acids. Part A 0.115 M in HBr and 0.145 M in HCHO2 Express your answer to three decimal places. Part B 0.145 M in HNO2 and 9.0×10−2 M in HNO3 Express your answer to two decimal places. Part C 0.190 M in HCHO2 and 0.220 M in HC2H3O2 Express your answer to two decimal places. Part D 5.5×10−2 M in acetic acid and 5.5×10−2 M in hydrocyanic acid...
Find the pH of each of the following solutions of mixtures of acids. No Ka is given. Part A.) 0.125 M in HBr and 0.145 M in HCHO2 (Gave up, Answer pH= 0.903) Part B.) 0.145 M in HNO2 and 9.0×10−2 M in HNO3 Part C.) 0.190 M in HCHO2 and 0.23 M in HC2H3O2
Find the pH of each of the following solutions of mixtures of acids. Part A 0.120 M in HBr and 0.125 M in HCHO, Express your answer to three decimal places. A 2 ? IVO AJD pH = .613 Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B 0.170 M in HNO2 and 8.5x10-2 Min HNO3 Express your answer to two decimal places. IVO AQ R O 2 ? pH = 0.593 Submit Previous Answers...
Review Const Find the pH of each of the following solutions of mixtures of acids. Part A 0.140 M in HBr and 0.130 M in HCHO2 Express your answer to three decimal places. 16 A A O O ? pH = Submit Request Answer
Find the pH of each of the following solutions of mixtures of acids: 0.130 M in HNO2 and 8.0×10−2 M in HNO3
Find the pH of each of the following solutions of mixtures of acids. 8.0×10−2 M in HNO3 and 0.165 M in HC7H5O2, 1.5×10−2 M in HBr and 2.0×10−2 M in HClO4, 9.5×10−2 M in HF and 0.230 M in HC6H5O, 0.110 M in formic acid and 4.5×10−2 M in hypochlorous acid PLEASE show work
Determine the pH for each of the following solutions: 0.22 M KCHO2 (Ka for HCHO2 is 1.8×10−4) 0.18 M CH3NH3I (Kb for CH3NH2 is 4.4×10−4) 0.25 M KI
Question 2 2/2 pts If the pka of HCHO2 is 3.74 and the pH of an HCHO2/NaCHO2 solution is 3.89, which of the following is TRUE? It is not possible to make a buffer of this pH from HCHO2 and NaCHO2. [HCHO2] = [NaCHO2] [HCHO2] >>[NaCHO2] [HCHO2] < [NaCHO2] [HCHO2] > [NaCHO2] Question 3 1.33/2 pts Acid #1 has a pka of 3.15 Acid #2 has a pka of 3.65 Acid #3 has a pka of 4.23 Acid #4 has...
1. Calculate the pH of the following solutions: (pH = -log (H*]) (a) 0.050 M formic acid, HCOOH, K=1.78x10-4 (b) 0.050 M hydrocyanic acid, K.-4.8x10-10 2. How would you make a 0.00025 M solution of HCI starting with 12 M solution of HCI? 3. Does the Ka for acetic acid change (within experimental tolerance) with changes in concentration? 4. What is Le Chatelier's principle? 5. What effect does the addition of acetate ions to a solution of acetic acid have...
Find the pH of a 0.011 M solution of HCHO2. (The value of Ka for HCHO2 is 1.8×10?4.)