7. (4 points) LiCN is a salt solution. The Ka of HCN is 6.2 x 100, a. Should the salt solution be acidic, basic, or...
pelase help 5. (8 points) Calculate the pH of each of the following aqueous solutions at 25 C 0.65 M boric acid (B(OH), K,-7.3 x 10") a. 3.15 M ammonia (NH, K.- 1.76 x 10) b. c. 0.82 M benzoic acid (CaH,COOH, K.-6.3 x 10) 0.100 M HASO4 (K,-2.5 x 10, Ke 5.6 x 10, K-3.0 x 10) d. (2 points) Determine whether each of the following salts are acidic, basic, or neutral. 6. a. Na SO b. CH NH...
(3 points) A 0.0730 M solution of a monoprotic acid is 1.07% ionized. What is the pH of the solution? Calculate the Ka of the acid. (2 points) The pH of a 0.025 M solution of a monoprotic acid is 3.21. What is the Ka value for the acid? (2 points) Determine the percent ionization of a 0.0028 M HA solution. (Ka of HA = 1.4 x 10-9) (4 points) Lysine is triprotic amino acid (separately loses three H’s in...
NH4+ ka =5.69x10 HCN ka=6.2 x 10-1 Given the follo be there following the What will Laathe aqueous approximate pH of an solution of ammonium cyanide NHAEN rimonium a) slightly basic b) slightly acidic c) nearly neutral
1. Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, write only NR. Ba(CHO₂)₂ 2. Write the formula of the conjugate base of the Brønsted-Lowry acid, HC₂O₄⁻ 3. What is the pH of a 0.0880 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)? 4. What is the pH of a...
Please check my answers to part a and b, an help me answer part c. I am not sure if I set it up correctly. Show work please, thank you. I LICN is asalt solution. The ka of HCN is 4,2 x 10 - a should the salt solution be auldic, basu, or neutral. o LiGN 7 Li + + CW - LIOH + HEN Basic SB WA b. Write the eauillibrium reaction for theion of the salt that contributes...
11. For each of the following, is the solution acidic, basic, neutral, or cannot be determined? For each, write the equation for the dominant equilibrium which determined the pH, and justify your pH prediction. Kw 1.0 x 1014 a. 100 mL of 0.10 M K HPO4 Ka 7.5 x 103 Ka2 6.2 x 108, and Kas -4.8 x 10-13 for HsPO4 100 mL of 0.10 M LiH2PO4; see Part a for Ka values b. c. 100 mL of 0.10 M...
1. what is the pH of a .00300 M HCN solution? Ka of HCN is 6.2 x 10^-10 2. what is the pH of a .100 mL solution containing .50 M NaD and .20 M HF
Predict whether a 0.10 M solution of the following salt is acidic, neutral, or basic. A. LiCN B. CH3CH2NH3Cl C. NH4NO3 D. NH4CH3COO E. NaCl F. NaHSO4 G. NH4H2PO4 H. NH4HS
. ? Q1: Determine the pH solution contains 1.0 M of HCN (ka = 6.2 x 10-10) and HNO2 (ka = 4.0 x 10-4)? Correct answer is pH = 1.35
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