1. Calculate the pH of 0.200 M HC2H3O2 (Ka of HC2H3O2 = 1.8 x 10-5) (2...
Can I get help with 2,3, and 4. (pH = 2.72 2. Calculate the pH of a 0.10 M aqueous solution of sodium acetate, NaC2H302. (2 pts) 3. A buffer solution contains 0.50 M acetic acid and 0.50 sodium acetate. Calculate the pH of this solution. (2 pts) 4. What is the pH of 2.00mL of 1.0 M HCl solution diluted to 50.0 mL? ( 2pts)
Calculate the pH of a buffer solution that is 0.200 M in HC2H3O2 and 0.170 M in NaC2H3O2. (Ka for HC2H3O2 is 1.8×10−5.) Express your answer to two decimal places.
can I get help with 3 and 4 3. A buffer solution contains 0.50 M acetic acid and 0.50 sodium acetate. Calculate the pH of this solution. (2 pts) 4. What is the pH of 2.00mL of 1,0 M HCI solution diluted to 50.0 mL? ( 2pts) Page 1 of
Calculate the [H+] and the pH of a buffer solution that is 0.20 M in HC2H3O2 and contains sufficient sodium acetate to make the [C2H3O2-] equal to 0.20 M (Ka for HC2H3O2 = 1.8 x 10-5). (For scientific notation, enter your answer as follows: 1.0e-2 for 0.010)
1. Determine the pH of a solution containing 0.5 M HC2H3O2 (Ka = 1.8x10-5) and 0.75 M NaC2H3O2. 0.30 7.75 4.91 4.56 2. Determine the pH of a 0.005 M KOH solution. 2.3 11.7 7 14
1. Calculate the pH of the 0.2 M acetate buffer before titration. 2. Calculate the pH of the acetate buffer after 4mL of 0.1 M HCl has been added. .160 M of NaC2H3O2 / .2 M HC2H3O2 ka=1.8x10^-5
Questions 1: A) Calculate the pH of a buffer solution that is 0.246 M in HCN and 0.166 M in KCN. For HCN, Ka = 4.9×10−10 (pKa = 9.31). B) Calculate the pH of a buffer solution that is 0.200 M in HC2H3O2 and 0.160 M in NaC2H3O2. (Ka for HC2H3O2 is 1.8×10−5.) C) Consider a buffer solution that is 0.50 M in NH3 and 0.20 M in NH4Cl. For ammonia, pKb=4.75. Calculate the pH of 1.0 L of the...
3. A buffer solution contains 0.50 M acetic acid and 0.50 sodium acetate. Calculate the pH of this solution. (2 pts)
5. Calculate the pH of the following solutions. (4 pts) 0S18 500257 a) 0.25 M NHCI solution b) 0.10 M NaHCO3 solution 6. b) A student mixes 8.203 g of NaC2H3O2 with 100 mL of 1.0 M HC2H3O2, what is the pH of the buffer? (4 pts) b) If you add 5.0 mL of 0.5 M NaOH solution to 20.0 mL to the buffer above, what is the pH of the resulting solution? (4 pts)
Find the pH of the following solutions: 1. 0.335 M HC2H3O2 (Ka=1.8*10^-5) 2. 0.417 M CH3NH2 (Kb=4.4*10^-4)