Question

Part short w points Show your work dearly and provided Heart answers with its where pe 12A solutions paredad ml of 3x10M NOH will cdo what is the lon product for Carou T 2.5x19 LOYMEN precipitatier this will it precipitate? Circle ong: Yes No f on product: 8.15 points) What is the hydronium ion concentration of a 0.20 M solution of trimethylamine (CH), NK - 7.4 x 10 Hydronium ion concentration O ) C (5 points) What is the pH of a solution that is 0.45 M hypobromous acid ( H ki = 2 x 10° which contains 0.20 M Calcium hypobromite

ASAP

Answer 1

15 Lavoro concentration -8.89XIOM = 400 x 2 x 10 400 +500 com ] = 500 X3x1031.67x105M 400 +500 Q = [cd 2+] [OH-32-(8.89x166)(1-67x17) - 2.47x16'5 Ksp >o. so no precipe late formed (CBA) + H 20 2 (CHÍNH + ou - 0 1.20 1-20- = 74 x 103 Kb = x / /120- x = 0.0906 = [OH-] poh -- -log(0.0906) = 1.04 [H₃O+] = 1.10 x10 13M pH = pka tog ( Bro ) =9.70 rog 6013062) 045