In u L. methy of the What is the pH of 50 mL of a lo...

Question

Question

In u L. methy of the What is the pH of 50 mL of a lo molle hylamine ne (CH₃NH₂) colution after the addition of some of mol/L

Answer 1

Answer #1

Concentration of 50 ml , 1.0 M ethylamine (base) = 50 × 1

= 50 mM

Concentration of 50 ml , 0.5 M HCl (acid) = 50 × 0.5

= 25 mM

Here concentration of acid neutralizes concentration of base. Hence concentration of base remaining = 50 (mM) - 25 (mM)

= 25 mM

Now pOH = - log(base)

= - log ( 25×10-3)

Answer 2

Similar Homework Help Questions

What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the...

What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the addition of 50 mL of a 0.5 mol/L solution of HCl? 5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the addition of 50 mL of a 0.5 mol/L solution of HCI?
5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after...

5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution after the addition of 50 mL of a 0.5 mol/L solution of HCI? Your angwer
5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution 2...

5. What is the pH of 50 mL of a 1.0 mol/L methylamine (CH3NH2) solution 2 points after the addition of 50 mL of a 0.5 mol/L solution of HCI? Your answer O BE

What is the pH of 80 mL of a 0.4 mol/L NaOH solution after the addition...

What is the pH of 80 mL of a 0.4 mol/L NaOH solution after the addition of 20 mL of a 0.5 mol/L solution of HCl? 4. What is the pH of 80 mL of a 0.4 mol/L NaOH solution after the addition of 20 mL of a 0.5 mol/L solution of HCI?
Calculate the pH of the solution resulting from the addition of 50 mL of 0.10 mol/L...

Calculate the pH of the solution resulting from the addition of 50 mL of 0.10 mol/L H2SO4 solution to 50 mL of 0.20 mol/L Na3PO4 solution. Data: pKa1 (H3PO4) = 2.15; pKa2 (H3PO4) = 7.20; pKa3 (H3PO4) = 12.35
4. What is the pH of 80 mL of a 0.4 mol/l NaOH solution after the...

4. What is the pH of 80 mL of a 0.4 mol/l NaOH solution after the addition 2 points of 20 mL of a 0.5 mol/L solution of HCI? Your answer

Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.2400 mol/L butanoi...

what are the last three values? Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.2400 mol/L butanoic acid, CHjCH2CH2COOH (Ka 1.54 x 10-5), with 0.2400 mo/L NaOH solution after each addition of titrant: (a) 0 mL (b) 10.00 ml. pH= 4.81 (c) 15.00 mL pH = 5.29 (d) 19.00 ml. pH = 6.08 (e) 19.95 mL pH = 7.41 (f) 20.00 mL pH= (g) 20.05 mLpH- (h) 25.00 mLpH- pH = 2.71...
Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.2400 mol/L butanoi...

Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.2400 mol/L butanoic acid, CHCH2CH2COOH (Ka -1.54 x 10-5), with 0.2400 mol/L NaOH solution after each addition of titrant: (a) 0 mL (b) 10.00 ml. pH= (c) 15.00 mL d) 19.00 mLpH- (e) 19.95 mL (1) 20.00 mL (g) 20.05 mL pH= (h) 25.00 mL pH = pH = pH = pH = pH = Be sure to answer all parts. Find the pH...
find ph in a mixture of: a) 100 mL 0,20 mol/l ch3cooh and 50 ml 0,20...

find ph in a mixture of: a) 100 mL 0,20 mol/l ch3cooh and 50 ml 0,20 mol/L naoh b) 50 ml 0,10 mol/l hcn and 25 ml 0,20 mol/l koh

Maps 1. What is the pH of a 0.35 mol/L solution of acetylsalicylic acid (C9H804)? 2...

Maps 1. What is the pH of a 0.35 mol/L solution of acetylsalicylic acid (C9H804)? 2 points Your answer 2. What is the pH of a 1.50 mol/L solution of ammonium chloride (NH4Cl)? 2 points Your answer 4 points 3. What is the pH of the buffer resulting of the mixing of 34.4 g of sodium dihydrogen phosphate (NaH2PO4) and 48.5 g of sodium hydrogen phosphate (Na2HPO4) in 2.5 L of distilled water? Your answer 4. What is the pH...