C Chegg Study Gui x C E Chegg Study G CEChegg Study GAlabam

C Chegg Study |Gui x C E Chegg Study |G CEChegg Study | GAlabama State Un OG New Tab d www.saplinglearning.com/ibiscms/mod/ibis/view.php?id=4589194 C Q Sapling Learning macmilan learming ::: Apps Scholarship Award fc Scholarship Opportu \"Hit the Books\" Scho 6 3100 Due Date: Points Possible: Grade Category: 2/26/2018 11:59 PM 100 Quiz 3 Sapling Learning Given that Ka for HCOOH is 1 .8 104 at 25°C, what is the value of Ke for COOH\' at 25 ? Number Policies: Quiz 10 You can check your answers. You can view solutions after the due date. You have three attempts per question There is no penalty for incorrect answers. 12 1 Given that Ke for NHs is 1.8 × 10s at 25 , what is the value of K, for NH4. at 25 ? Number 13 1 eTextbook 14 Help With This Topic 15 1 16 2 17 0 18 2 19 0 20 0 Web Help& videos D Technical Support and Bug Reports Previous Check Answer Next Exit Hint 2011-2018 Sapling Learning, Inc about uscrsprivacy policy erms of usecotus help O Type here to search 926 PM 2/26/2018

Solution

At 25 C

Ka x Kb = Kw = 1 x 10-14

1)

given

Ka = 1.8 x 10-4

so

1.8 x 10-4 x Kb = 1 x 10-14

Kb = 5.5556 x 10-11

2)

given

Kb = 1.8 x 10-5

so

Ka x 1.8 x 10-5 = 1 x 10-14

Ka = 5.5567 x 10-10