Chemistry concepts and calculations

What is the pH of 0.15M HNO2(aq) Solution HNO2 is a weak acid(electrolyte) hence

What is the pH of 0.15M HNO2(aq)

What is the pH of 8 x 10^-8 M HCl? Solution This is a solution of HCl. The solut

What is the pH of 8 x 10^-8 M HCl?

What is the pH of 8 x 10^-8 M HCl? Solution This is a solution of HCl. The solut

What is the pH of 8 x 10^-8 M HCl?

What is the pH of 8 x 10^-8 M HCl? Solution This is a solution of HCl. The solut

What is the pH of 8 x 10^-8 M HCl?

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO? For HIO use Ka =2.3 times 10-11. pH =

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO? For HIO use Ka =2.3 times 10-11. pH =

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO

What is the pH of 80.0 mL of a solution which is 0.21 M in IO- and 0.41 M in HIO? For HIO use Ka =2.3 times 10-11. pH =

What is the pH of a 0.001 M NaH_2PO_4/0.001 M Na_2HPO_4 solution? (A) 1.45. (B)2

What is the pH of a 0.001 M NaH_2PO_4/0.001 M Na_2HPO_4 solution? (A) 1.45. (B)2.12. (C) 3.67. (D) 4.29. (E) 5.97. (G) 6.55. (H) 7.21. (I) 8.55. (J) 9.54. Prepare a solution of 1 …

What is the pH of a 0.01 m solution of sodium acetate? What is the PH of a 0.01

What is the pH of a 0.01 m solution of sodium acetate? What is the PH of a 0.01 m solution of sodium acetate? Acetic acid is monoprotic with an equilibrium like: HAc = H^+ + Ac^- …

What is the pH of a 0.015 M solution of pouMium hydroxide (KOH)? A. 1.8 B. 12.2

What is the pH of a 0.015 M solution of pouMium hydroxide (KOH)? A. 1.8 B. 12.2 C. 5.6 D. 8.8 What is the [OH^-] of a solution with a pH of 9.0? A. 1 times 10^-5 M B. 1 times 10^-…

What is the pH of a 0.035 m HCI solution? 3.50 1.46 2.27 5.59 12.54. What is the

What is the pH of a 0.035 m HCI solution? 3.50 1.46 2.27 5.59 12.54. What is the [OH] of a solution which has a pH -10.95?1.03 M 1.1 * 10^-11 M 8.9 * 10^-4 M 3.05 M 7.4 * 10^-5 M …

What is the pH of a 0.053 M solution of KOH at 25 degreeC? (A) 13.11 (B) 12.72 (

What is the pH of a 0.053 M solution of KOH at 25 degreeC? (A) 13.11 (B) 12.72 (C) 1.28 (D) 0.89 14. What volume (in mL) of 0.100 M barium hydroxide, Ba(OH)_2, is needed to comple…

What is the pH of a 0.1 M Ca(NO2)2? (Ka for HNO2 = 4.5 x 10^-4). I solved the pr

What is the pH of a 0.1 M Ca(NO2)2? (Ka for HNO2 = 4.5 x 10^-4). I solved the problem already. The pH is 8.3. However, I'm confused as to why I need to use the Kb value here inste…

What is the pH of a 0.100 M solution of the salt sodium formate (NaCHO2)? The Ka

What is the pH of a 0.100 M solution of the salt sodium formate (NaCHO2)? The Ka for formic acid (HCHO2) is 1.8E-4.

What is the pH of a 0.100 M solution of the salt sodium formate (NaCHO2)? The Ka

What is the pH of a 0.100 M solution of the salt sodium formate (NaCHO2)? The Ka for formic acid (HCHO2) is 1.8E-4.

What is the pH of a 0.50 M HF solution? a. 13.70 b. 10.53 c. 1.73 d. 0.30 Water

What is the pH of a 0.50 M HF solution? a. 13.70 b. 10.53 c. 1.73 d. 0.30 Water and diethyl ether (CH_3CH_3OCH_2CH_3) are only slightly miscible because a. These liquids have very…

What is the pH of a 0.50 M HF solution? a. 13.70 b. 10.53 c. 1.73 d. 0.30 Water

What is the pH of a 0.50 M HF solution? a. 13.70 b. 10.53 c. 1.73 d. 0.30 Water and diethyl ether (CH_3CH_2OCH_2CH_3) are only slightly miscible because a. These liquids have very…

What is the pH of a 1.0 L buffer that consists of 0.0750 M c_2H_5NH_2 and 0.0500

What is the pH of a 1.0 L buffer that consists of 0.0750 M c_2H_5NH_2 and 0.0500 M C_2H_5NH_2Cl after the addition of 10.0mL of 0.5 M HCP Calculate moles of C_2H_5NH_2, C_2H_5NH_2…

What is the pH of a 200.00 mL solution containing 21.46 g of benzoic acid and 37

What is the pH of a 200.00 mL solution containing 21.46 g of benzoic acid and 37.68 g of sodium benzoate.( Ka = 6.5 x 10-5) Initially?! After 30.0 ml of 5.00 HCL has been added?! …

What is the pH of a 5.6 times 10^-5 M LiOH solution? (b) What is the H_3O^+ conc

What is the pH of a 5.6 times 10^-5 M LiOH solution? (b) What is the H_3O^+ concentration of the solution? M (c) What is the pOH of the solution? (a) What is the pH of a 2.8 times…

What is the pH of a buffer composed of 0.500 M sodium acetate and 0.75 M acetic

What is the pH of a buffer composed of 0.500 M sodium acetate and 0.75 M acetic acid. What is the pH of the solution after 0.01 moles of hydrochloric acid is added to 1.250 L of t…

What is the pH of a buffer prepared by adding 0. 809 mol of the weak acid HA to

What is the pH of a buffer prepared by adding 0. 809 mol of the weak acid HA to 0. 305 mol of NaA in 2. 00 L of solution? The dissociation constant Ka of HA is 5. 66 x 10 - 7 Expr…

What is the pH of a buffer prepared by adding 0. 809 mol of the weak acid HA to

What is the pH of a buffer prepared by adding 0. 809 mol of the weak acid HA to 0. 305 mol of NaA in 2. 00 L of solution? The dissociation constant Ka of HA is 5. 66 x 10 - 7 Expr…

What is the pH of a buffer prepared by adding 0.405 mol of the weak acid HA to 0

What is the pH of a buffer prepared by adding 0.405 mol of the weak acid HA to 0.507 mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66×107. Express the …

What is the pH of a buffer solution made by the addition of 10.0g NaC2H3O2 to 10

What is the pH of a buffer solution made by the addition of 10.0g NaC2H3O2 to 100mL acetic acid. Assume that there's no change in volume when adding the salt to the acid. pKa for …

What is the pH of a buffer solution prepared by mixing 100.0 mL of 0.200 mol L^-

What is the pH of a buffer solution prepared by mixing 100.0 mL of 0.200 mol L^-1 NH_3 and 85.7 mL of 0.250 mol L^-1 NH_4C1? K_b(NH_3) = 1.76 times 10^-5 A) 4.725 B) 9.275 C) 4.24…

What is the pH of a buffer solution that is 0.150 M in hypochlorous acid (HCIO)

What is the pH of a buffer solution that is 0.150 M in hypochlorous acid (HCIO) and 0.110 M in sodium hypochlorite The K_a of hypochlorous acid is 3.8 * 10^-8. 7.55 9.20 7.29 14.1…

What is the pH of a soln which is 0.24 M NH_3 and 0.20 M NH_3Cl? (k_b = 1.8 time

What is the pH of a soln which is 0.24 M NH_3 and 0.20 M NH_3Cl? (k_b = 1.8 times 10^-5) a) 10.05 b) 9.34 c) 11.9 d) 11.1 Calculate the pH of a 0.15 M NH_3 solution. 1.8 times 10^…

What is the pH of a solution containing 0 250 M HONH_2 and 0.400 M HONH_3CI? (K_

What is the pH of a solution containing 0 250 M HONH_2 and 0.400 M HONH_3CI? (K_b for HONH_2 is 1.1 times 10^-8) 7.75 8.16 5.84 6.25 12 73 A 150.0 mL buffer solution containing 0.…

What is the pH of a solution containing 0.31 M HCOOH and 0.63 M HCOOK? The K_a f

What is the pH of a solution containing 0.31 M HCOOH and 0.63 M HCOOK? The K_a for HCOOH is 1.7 Times 10^-4. Describe the effect on pH (increase, decrease, or no change) that resu…

What is the pH of a solution formed by combining 50.00 mL of a 0.0855 M acetic a

What is the pH of a solution formed by combining 50.00 mL of a 0.0855 M acetic acid solution, 25.00 mL of 0.1061 M NaOH solution and 25.00 mL of deionized water? Show your work. W…

What is the pH of a solution formed by mixing 125.0 mL of a .0250 M HCL and 75.0

What is the pH of a solution formed by mixing 125.0 mL of a .0250 M HCL and 75.0 mL of a .0500 M NaOH?

What is the pH of a solution in which 35 mL Of 0.10 M NaOH is added to 25 mL of

What is the pH of a solution in which 35 mL Of 0.10 M NaOH is added to 25 mL of 0.10 M HCI? A 1.24-g sample of benzoic acid was dissolved in water to give 50.0 mL of solution. Thi…

What is the pH of a solution in which [HA] = [A^-]? pH = 1 pH = K_ pH = pK_ pH =

What is the pH of a solution in which [HA] = [A^-]? pH = 1 pH = K_ pH = pK_ pH = pOH pH = 7.0 Oxidation refers to ___ an increase in oxidation number. a decrease in oxidation numb…

What is the pH of a solution made by dissolving 4.3 g of K 2 CO 3 and 1.6 g of K

What is the pH of a solution made by dissolving 4.3 g of K2CO3 and 1.6 g of KHCO3 in 500. mL of water? (See the appendix.) Table 3 An Acid-base table Acid Name ConjugateAcid Ka pK…

What is the pH of a solution obtained by mixing 155 mL of 0.5 M CH_3NH_2 and 173

What is the pH of a solution obtained by mixing 155 mL of 0.5 M CH_3NH_2 and 173 mL of 1.0 M CH_3NH_3^+CI^-? (K_b for CH_3NH_2 is: 5.2 times 10^-4) Input your answer to 2 decimal …

What is the pH of a solution obtained by mixing equal amounts of 0.010 M solutio

What is the pH of a solution obtained by mixing equal amounts of 0.010 M solutions of nitrous acid and potassium hydroxide? pH=7.0 because this is a neutralization reaction pH 7.0…

What is the pH of a solution of 1.00L of water with 0.00527 moles of HCl in it ?

What is the pH of a solution of 1.00L of water with 0.00527 moles of HCl in it ? What is the pH of a solution of 1.00L of water with 0.0165 moles of HNO3 in it ? What is the pH of…

What is the pH of a solution prepared by mixing 10.0 mL of 0.100 M NaOH with 15.

What is the pH of a solution prepared by mixing 10.0 mL of 0.100 M NaOH with 15.0 mL of 0.100 M HCl? Assume the volumes are additive. Show how formic acid, HCOOH, dissociates in s…

What is the pH of a solution prepared by mixing 10.0 ml of 0.100 M NaoH with 15.

What is the pH of a solution prepared by mixing 10.0 ml of 0.100 M NaoH with 15.0 mL of 0.100 M HCl? Assume the volumes of additives Show how formic acid CHCOOH, dissociates in so…

What is the pH of a solution that is 0.14 M in acetic acid, HC2H3O2, and 0.50 M

What is the pH of a solution that is 0.14 M in acetic acid, HC2H3O2, and 0.50 M in sodium acetate, NaC2H3O2, at 25°C? Ka of acetic acid is 1.8 × 10^–5. a. 4.19 b. 1.23 c. 4.74 d. …

What is the pH of a solution that is 0.20 M H2S and 0.20 M HS^-? Ka=1 x 10^-7 fo

What is the pH of a solution that is 0.20 M H2S and 0.20 M HS^-? Ka=1 x 10^-7 for H2S

What is the pH of a solution that is 0.20 M H2S and 0.20 M HS^-? Ka=1 x 10^-7 fo

What is the pH of a solution that is 0.20 M H2S and 0.20 M HS^-? Ka=1 x 10^-7 for H2S