What is the pH of a 0.670 M solution of NaCN (Ka of HCN is 4.9x10^-10?
What is the pH of a 0.670 M solution of NaCN (Ka of HCN is 4.9x10^-10?
What is the pH of a 0.84 M solution of NaCN (Ka of HCN = 6.2x10^-10)
Find the pH of 0.130 M NaCN solution. For HCN, Ka=4.9×10^-10
Solve for the pH of a 0.0986 M solution of NaCN. Given Ka (HCN)= 6.2 * 10-10 Please have two decimal places for your answer.
What is the pH of a 2.50 molar solution of NaCN(aq)? KA (HCN) = 6.2×10^-10 a. 11.80 b. 9.60 c. 9.21 d. 4.40 e. 2.20 A. is the correct answer
A 500.0 mL solution of NaCN was prepared from a 12.0g sample. What is the pH of the solution? (Ka for HCN is 4.0x10^-10)
Calculate the pH of a 0.75M aqueous solution of NaCN, Ka for HCN = 6.2E-10 Can someone explain to me how to do this problem step by step, and also explain why the reaction equation was written the way it was?? Calculate the pH of a 0.75 M aqueous solution of NaCN, K, for HCN is 6.2 X 1010. CNag)+ H2)HCNa)+ OH (aq) A/700 8) 9,21 15 0)479 A) 7.00 B) 9.2 C) 11.54D) 4.79 E) 2.46
Calculate the pH of 0.65 M NaCN. What is the concentration of HCN in the solution? PH= [HCN]= Times 10 M
1. A buffer solution is 0.313 M in HCN and 0.220 M in NaCN . If Ka for HCN is 4.0×10-10, what is the pH of this buffer solution? 2. A buffer solution is 0.473 M in H2C204 and 0.366 M in KHC2O4 . If Ka1 for H2C2O4 is 5.9*10^-2, what is the pH of this buffer solution? 3. A buffer solution is 0.392 M in NaHC2O4 and 0.329M in NaC2O4 . If Ka for HC2O4- is 6.4*10^-5, what is...
Calculate the pH of a solution that is 1.50 M in HCN (Ka = 6.2 x10-10) and 0.50 M in NaCN. A. 3.44 B. 8.73 C. 9.68 D. 9.21 E. 3.63
What concentration of NaCN must be added to a 0.5 M HCN solution to produce a buffer solution with pH 7.0? Ka = 6.2 x 10–10 for HCN a) 3.3 M b) 0.49 M c) 6.9 x 10-5 M d) 0.0031 M e) 0.22 M