Question

6. What is the pH of a solution prepared by dissolving 1.00 g of (CH3)2NH in enough water to form 500. mL of solution? What is the pH of this solution? 7. What is the molarity of hydronium ion and pH of 0.035 M ammonia solution? 8. Arrange following equimolar solutions in the order of increasing pH: NaCl, HF, NH3, and KOH. Explain your reasoning.

Answer 1

. 2 _ 2 3. Фен, ), ми — Luc|« 34 [en] Nn ] = sxsoott [(26) Nn] = 2 font] = kb. cili 1.5.480- 4 5 4x10-4+2 Tour] = [0, 24x10-4 fon-] 0.48x10-2 Р° — -/sjlen pon = -log 0,48810-2 pon = logo.48 on = 0 + 0.31 - Gon = 2.31 ph_142.31 " 63

(4) که ]X 18 = ماہان 4 الى حب طحيNH کوهمن C,035 - - لیل و .اب -- 0.03 - u ۔ ۔ ( و د (در 03. -ها . 0 35 ) )) * - - 1876 4 - 1x 0 0 35 X ) - هو - کم) 03-ملح -- ا - سلطه=فهومهح

UNIVDIUN LUU kw - Enth fon) [nt] = 1 0 1 1 3 Jo-14 0.79x10-3 that) - 1.26X10-"| ph = - long lit+] z log 1.266 lol AS Il-1.8