13. An aqueous solution with a pH of 10.60 is diluted from 1.0 L to 20...
What is the OH concentration of an aqueous solution with a pH of 2.77? (K.-1.01 x 10) 5.9 x 10-12 M b. 1.7x 10M 12. a. c. 5.2 x 10 M d. 1.1 x 10 M e. 5.9 x 10 M 13. An aqueous solution with a pH of 10.60 is diluted from 1.0 L to 2.0 L. What is the pH of the dilc
What is the pH of a 1.0 M aqueous solution of trisodium phosphate (Na3PO4)? Note: for H3PO4 we have Ka1 = 7.1 × 10-3, Ka2 = 6.3 × 10-8, Ka3 = 4.2 × 10‐13. a) 2.3 b) 8.7 c) 4.7 d) 13.2 e) 12.1
an aqueous strong acid solution is diluted by adding more pure water. what happene to the pH of this solution? a) pH remains constant b) pH increases c) pH decreases
13. An aqueous solution of acetic acid has a pH of 2.5. If the percent ionization is 0.60%, what is the molarity of the acetic acid? A. 1.9 M B. 0.12 M C. 170 M D. 0.53 M 14. What is the equilibrium constant for the reaction of 1 mol of calcium hydroxide and 1 mol of sulfuric acid? A. 1.0 x 10-14 B. 1.0 x 10-28 C. 1.0 x 1014 D. 1.0 x 1028 E. 1.0 x 107
Calculate the concentration of H3O for an aqueous solution with a pH of 6.20. A) 6.3 x 10-7 M E) 4.0 x 10 M 1. B) 1.6 x 10 M C) 1.0x 10-14 M D) 6.20 x 1014 M 2. The pH of a 0.010 M aqueous solution of Ca(OH)2 is A) 11.70 B) 12.00 C) 12.30 E) 1.70 D) 12.60 alution with a nH of 9.60. for an aqueous solution with a pH of 9.60. C) 1.5 x 10-5...
Calculate the pH of a 1.0-L aqueous solution containing 0.40 mol of HF and 0.10 mol of HCl. (Ka for HF = 6.8 x 10?4) 0.40 1.0 0.016 2.6 1.4 x 10?3
13) A 0.0035 M aqueous solution of a particular compound has pOH 11.54. The compound is a) a weak base b) a weak acid c) a strong base a strong acid e) a salt 14) In basic solution, a) [H30'> [OH] b) [H30 ]- [OH1 [Hs0)< [OH] d) (OH]<7.00 e) [OH] =OM 15) The pH of a 0.63 M aqueous solution of hypobromous acid, HBro, at 25°C is 4.17. What is the value of K for HBro? a2.0 x 10...
4. What is the pH of 2.00mL of 1.0 M HCI solution diluted to 50.0 mL? ( 2pts)
1. Calculate the concentration of H3O+ for an aqueous solution with a pH of 1.2 A) 6.3 x 10-7M B ) 1.6 x 108 M. C) 1.0 x 10-14 M. D) 6.20 x 10-2 M E) 4.0 x 10-4M 2. Calculate the concentration of OH- for an aqueous solution with a pH of 13.8. A) 0.64 M B) 4.0 x 10-5M C) 1.5 x 10-5M D) 1.0 x 10-14 M E) 2.5 x 10-10 M 3. Which of the following...
15) The pH of a 0.63 M aqueous solution of hypobromous acid, HBrO, at 25°C is 4.17. What is the value of K for HBro? a) 2.0 x 10 b) 1.1 x 10 c) 1.08 x 10° d) 7.34 x 10 e) 6.8 x 10 16) The molar concentration of hydronium ion in pure water at 25°C is (á) 1.0 x 10? b) 0.00 c) 1.0 x 1024 d) 1.0 e) 7.00 117) A solution is prepared by dissolving 0.23...