If a 0.0085 M solution of fluoracetic acid (FCH2COOH) has a pH - 2.33, what is...
Homework - Unanswered What is the pH of a 0.00066 M solution of nitric acid (HNO3)? O A 6.6 O B 3.2 0 C 4.1 O D More information is needed to answer Unanswered Initial Concentration A Homework - Unanswered Distilled white vinegar is used for cooking but can also be used in many applications for cleaning. The
What is the pH of a solution of the buffer containing 0.0085 M HC5H3NCI and 0.0077 M CsHsN? The Koof HCHEN is 5.88x10-6 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response.
A 0.685 M solution of a weak acid HA has a pH of 4.50. What is the percent ionization of HA in the solution? Submit Answer Tries 0/98 For the solution described above, what is the K,? Submit Answer Tries 0/98 This discussion is closed. Ote E o Type here to search 6
Part A A 0.172 M weak acid solution has a pH of 3.51. Find K, for the acid. Express your answer using two significant figures. O A¢ o oa ? K = | Submit Previous Answers Request Answer Find the percent ionization of a 0.250 M HC,H,O, solution at 25°C Express your answer to two significant figures. O ALOR O ? percent ionization = Submit Request Answer
7) Calculate the K of butinoic acid (margrotis)ifa 0.025 M aqueous solution has a pH of 3.21 a 25°C. 8) trans-cinnamic acid (C.H.Oz; monoprotic) has a K = 3.60 x 10-5 a. Calculate the pH of a 0.020 M aqueous solution of this acid. ON -OSI b. Calculate the percentage of acid dissociated (ie, in the "A" form) in this solution using your calculations in (a). 0.8 Ho CHEM 120B-Activity #3 Acids and Bases Page 5 of 12
Formic acid (HCOOH) has a pka = 3.75. What is the value of the equilibrium constant K for this reaction: HCOO (aq) + H20(1) =HCOOH(aq) + OH-(aq)? O A 1.77x10-4 O B More information is needed to answer O C 5.62x10-11 O D 4.63x10-8 Unanswered Solution pH A Homework - Unanswered Solution par 5 6 7 8 9 0
What is the pH of a 0.150 M solution of acetic acid, which has an acid dissociation constant of 1.8 E-5? A. 5.57 B. -5.57 C. 7.35 D. 9.18 E. 2.78
A 0.190 M solution of a weak acid (HA) has a pH of 2.91 Part A Calculate the acid ionization constant (K) for the acid, Express your answer using two significant figures. 10 Ad O ? K.- Submit Request Answer Provide Feedback
The pH of a 0.60 M aqueous solution of an unknown acid is 2.98. What is the value of Ka for the acid? A. 0.22 B. 1.8 x 10-5 C. 6.0 x 10-5 D. none of the above O E. 1.8 x 10-4
Part A A 0.150 M weak acid solution has a pH of 2.97. Find Ka for the acid. Part B Find the percent ionization of a 0.195 M HC2H3O2 solution. (The value of Ka for HC2H3O2 is 1.8×10−5.) Part C Find the pH of a 0.0191 M solution of hypochlorous acid. (The value of Ka for hypochlorous acid is 2.9×10−8.) Part D Find the pH of a 0.014 M solution of HF. (The value of Ka for HF is 3.5×10−4.) Part...