Homework Answers
5 answer
Add Answer to:
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr...
13) The Ksp for the insoluble sali Boso Sp for the insoluble salt BaSO, is 1.6X...
13) The Ksp for the insoluble sali Boso Sp for the insoluble salt BaSO, is 1.6X 10-44 The concentrations of Ba and SO are a. 1.3 X 10-22 c. 1.6 X 10-44 b. 1.6 X 10-12 d. 0.8 X 10-44 is the solubility of barium sulfate in a solution containing 0.050 M sodium sulfate? The Ksp value for barium sulfate is 1.1 X10-10 a. 7.4 X 10M c. 1.0 X 10M b. 5.5 X 10-11 M d. 2.2 x 10-'M...
HELP PLEASE 5 – Calculate the concentrations of H+, HCO3- and CO32- in a 0.025 M...
HELP PLEASE 5 – Calculate the concentrations of H+, HCO3- and CO32- in a 0.025 M H2CO3 solution. 6 – Classify the following as a Lewis acid, Lewis base, both or neither:CO2, H2O, I-, SO2, NH3, OH-, H+, BCl37 – 7-Calculate the pH of a solution that is 0.20 M NH3 and 0.30 M NH4Cl.8 – 8-The pH of blood plasma is 7.40. Assuming the principal buffer system is HCO3-/H2CO3, calculate the ratio [HCO3-]/[H2CO3] . 9 – A 0.2688 g...
Part B: A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3....
Part B: A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 17.0 mL of HNO3. Part C: Barium sulfate, BaSO4, is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient, whose stomach and intestines can then be visualized via X-ray imaging. If a patient ingests 380 mL of a...
In need of help 1 – List four factors that affect the strength of an acid....
In need of help 1 – List four factors that affect the strength of an acid. All four may not apply to every acid. 2 – Calculate [OH-] for a 1.4 x 10-3 M HCl solution. 3 – Calculate the pH of an aqueous solution at 25 ̊C at is 0.34 M in phenol (Ka = 1.3 x 10-10) .4 – Calculate the concentration at which a monoprotic acid with Ka = 4.5 x 10-5 will be 2.5% ionized. (The...
help with all these please 10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with...
help with all these please
10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hypochlorous acid is 3.0 x 10-8 A) 7.25 B) 1.34 C) 4.43 D) 7.58 E) 7.46 11. Calculate the pH and pOH of a solution that is 0.075 M HCN and 0.06 M NaCN. 12. The solubility of silver bromide is greater in 0.10 M...
Part A: How many grams of dry NH4Cl need to be added to 2.40 L of...
Part A: How many grams of dry NH4Cl need to be added to 2.40 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.71? Kb for ammonia is 1.8×10^−5. Part B: A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 17.0 mL of HNO3. Part C: Barium sulfate, BaSO4, is used in medical imaging of the gastrointestinal tract...
1. 200 mL of an aqueous solution contains 0.030 M concentrations of both Pb2+ and Ag+....
1. 200 mL of an aqueous solution contains 0.030 M
concentrations of both Pb2+ and Ag+. If 100
mL of 6.0 x 10-2 M NaCl is added to this solution will a
precipitate form? If so, what will the
precipitate be? The Ksp values for PbCl2 and AgCl are 1.7 x
10-5 and 1.8 x 10-10] 2. Which of the following is the expression
for the solubility product of Ba3(AsO4)2? 3. The pKa of a weak acid
is 6.50. What...
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka...
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka = 1.8 x 10-5) after 50.0 mL of 0.100 M NaOH has been added? Calculate the concentration of dissolved Ba2+ ions when BaSO4 is added to water at 25°C. Кsp? = 1.10 x 10-10 A particular saturated solution of silver chromate (Ag2CrO4), has [Ag+] = 5.0 x 10 Mand (CrO4) = 4.4 x 10M. What is value Ksp for silver chromate? As a result...
help me out, please! answer all the multiple choice. (15) A phosphate buffer solution is prepared by mixing 100. m...
help me out, please! answer all the multiple
choice.
(15) A phosphate buffer solution is prepared by mixing 100. mL. of 0.300 M KH PO, and 150.ml 0.500 M K HPO (a) Calculate the molar concentrations of H:PO, and that of HPO,2 in the buffer solution. (b) What is the pH of the buffer solution? (H,PO, has K,-6.2 x 10 (c) Write a net ionic equation for the bufering reaction against a strong acid, Hjo (d) Calculate the new concentration...
2,6,7 For which type of titration will the pH be acidic at the equivalence point? 6....
2,6,7
For which type of titration will the pH be acidic at the equivalence point? 6. Identify the correct conjugate acid-base pairs in the reaction HSO+HF HaSO+ P A) Strong acid vs. strong base, B) Strong acid vs. weak base. C) Strong base vs. weak acid D) None of the above. A) HF/ HSO B) F/HSO C) HSO HaSO D) Not enough information 2. What is the OH ion concentration in a 5.2 x 10 M HNO3 solution? 7. A...
13) The Ksp for the insoluble sali Boso Sp for the insoluble salt BaSO, is 1.6X 10-44 The concentrations of Ba and SO are a. 1.3 X 10-22 c. 1.6 X 10-44 b. 1.6 X 10-12 d. 0.8 X 10-44 is the solubility of barium sulfate in a solution containing 0.050 M sodium sulfate? The Ksp value for barium sulfate is 1.1 X10-10 a. 7.4 X 10M c. 1.0 X 10M b. 5.5 X 10-11 M d. 2.2 x 10-'M...
help with all these please
10. A 25.0-mL sample of 0.150M hypochlorous acid is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hypochlorous acid is 3.0 x 10-8 A) 7.25 B) 1.34 C) 4.43 D) 7.58 E) 7.46 11. Calculate the pH and pOH of a solution that is 0.075 M HCN and 0.06 M NaCN. 12. The solubility of silver bromide is greater in 0.10 M...
1. 200 mL of an aqueous solution contains 0.030 M
concentrations of both Pb2+ and Ag+. If 100
mL of 6.0 x 10-2 M NaCl is added to this solution will a
precipitate form? If so, what will the
precipitate be? The Ksp values for PbCl2 and AgCl are 1.7 x
10-5 and 1.8 x 10-10] 2. Which of the following is the expression
for the solubility product of Ba3(AsO4)2? 3. The pKa of a weak acid
is 6.50. What...
What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka = 1.8 x 10-5) after 50.0 mL of 0.100 M NaOH has been added? Calculate the concentration of dissolved Ba2+ ions when BaSO4 is added to water at 25°C. Кsp? = 1.10 x 10-10 A particular saturated solution of silver chromate (Ag2CrO4), has [Ag+] = 5.0 x 10 Mand (CrO4) = 4.4 x 10M. What is value Ksp for silver chromate? As a result...
help me out, please! answer all the multiple
choice.
(15) A phosphate buffer solution is prepared by mixing 100. mL. of 0.300 M KH PO, and 150.ml 0.500 M K HPO (a) Calculate the molar concentrations of H:PO, and that of HPO,2 in the buffer solution. (b) What is the pH of the buffer solution? (H,PO, has K,-6.2 x 10 (c) Write a net ionic equation for the bufering reaction against a strong acid, Hjo (d) Calculate the new concentration...
2,6,7
For which type of titration will the pH be acidic at the equivalence point? 6. Identify the correct conjugate acid-base pairs in the reaction HSO+HF HaSO+ P A) Strong acid vs. strong base, B) Strong acid vs. weak base. C) Strong base vs. weak acid D) None of the above. A) HF/ HSO B) F/HSO C) HSO HaSO D) Not enough information 2. What is the OH ion concentration in a 5.2 x 10 M HNO3 solution? 7. A...
Most questions answered within 3 hours.
-
You have a 825.3 mL sample of 2.754 M HA (Ka =
4.49⋅10−4). Calculate the pH...
asked 34 minutes ago -
The blues made its way into many kinds of music. Eric Clapton,
The Beatles, and Elvis...
asked 2 hours ago -
8. A wave in a string has a wave function given by: y (x, t) =...
asked 1 hour ago -
If you’re standing at the bottom of a hill and asked to evaluate
it while being...
asked 3 hours ago -
1. Which region has taken the lead in the world of
e-waste handling?
a) European Union...
asked 3 hours ago -
A 8.15- g bullet from a 9-mm pistol has a velocity of 366.0 m/s.
It strikes...
asked 4 hours ago -
The outstanding bonds of Alpha Extracts have a yield to maturity
of 7.4 percent and a...
asked 4 hours ago -
The Problem: The Case of the Harmonizing Vacations
Your CEO is exploring partnering with a European...
asked 6 hours ago -
A chemical equation is balanced by adding coefficients in front
of some formulas so that the...
asked 6 hours ago -
From the literature (reference your sources): What are the
lattice parameters of calcite and aragonite? Why...
asked 6 hours ago -
Your system is rejecting the question am asking which is
preceded by a case study. It...
asked 7 hours ago -
3. On January 2, 2000, Larry creates a trust with himself as
trustee. Larry as trustee...
asked 7 hours ago