1) Which ONE of the following aqueous solutions contains the lowest concentration of cations, assuming 100%...
1) Which ONE of the following aqueous solutions contains the lowest concentration of cations, assuming 100% dissolution and ionization?
(A) 0.5 M sodium phosphate
(B) 1.0 M potassium nitrate
(C) 2.0 M magnesium sulfate
(D) 0.75 M calcium chloride
(E) 1.5 M hydrogen chloride
2) The highest mass of SnS will dissolve in 1.0 L of an aqueous solution of:
(A) 0.1 M MgS
(B) 0.1 M (NH4)2S
(C) 0.1 M Sn(NO3)2
(D) 0.1 M Na2S
(E) 0.1 M CaCl2
Homework Answers
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1) Which ONE of the following aqueous solutions contains the
lowest concentration of cations, assuming 100%...
Which aqueous solution has the lowest vapor pressure? 0.2 molal calcium nitrate 0.2 molal magnesium sulfate...
Which aqueous solution has the lowest vapor pressure? 0.2 molal calcium nitrate 0.2 molal magnesium sulfate 0.2 molal methanol 0.2 molal potassium phosphate
1. Aqueous solutions should be electrically neutral. In other words, cations and anions should be balanced...
1. Aqueous solutions should be electrically neutral. In other words, cations and anions should be balanced with each other (charge balance) The following table shows the composition of typical seawater. 1. Set up a charge balance equation for the seawater. (b) Analyze the seawater whether is neutral or not. Note that the seawater constituent are expressed in mass concentrations. Constituent mg/kg (ppm) Sodium (Na*) 10,500 1,350 400 380 Magnesium (Mg2) Calcium (Ca2") Potassium (K) Chloride (Cl) Sulfate (SO2) Bicarbonate (HCO3)...
1.) Which of the following aqueous solutions are good buffer systems? . 0.39 M barium chloride...
1.) Which of the following aqueous solutions are good buffer systems? . 0.39 M barium chloride + 0.26 M calcium chloride 0.29 M ammonia + 0.40 M sodium hydroxide 0.11 M calcium hydroxide + 0.20 M calcium bromide 0.24 M hydrobromic acid + 0.24 M sodium bromide 0.13 M acetic acid + 0.17 M sodium acetate 2.) Which of the following aqueous solutions are good buffer systems? . 0.11 M potassium hypochlorite + 0.20 M hypochlorous acid 0.38 M hydrocyanic...
Which ONE of the following aqueous solutions will contain the highest total concentration of dissolved ions (assume 100%...
Which ONE of the following aqueous solutions will contain the highest total concentration of dissolved ions (assume 100% ionized and hydrated)? (A) 0.5 M Aluminium nitrate (B) 1.0 M Sodium iodide (C) 1.5 M Sodium dihydrogen phosphate (D) 2.0 M Hydrochloric acid (E) 2.5 M Lithium bromide
need help, convert them like below pic S. OH- t. 10 w. CIO2 2- X. CO24...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
1) Which of the following aqueous solutions are good buffer systems? . a. 0.29 M hydroiodic...
1) Which of the following aqueous solutions are good buffer systems? . a. 0.29 M hydroiodic acid + 0.20 M sodium iodide . b. 0.12 M barium hydroxide + 0.29 M barium chloride . c. 0.14 M nitrous acid + 0.12 M potassium nitrite . d. 0.34 M ammonium nitrate + 0.36 M ammonia . e. 0.31 M hydrofluoric acid + 0.29 M potassium fluoride . 2)A solution contains 0.486 M NH4I and 0.480 M ammonia. The pH of this...
answer 1-4 Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The...
answer 1-4
Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
1. Which of the following compounds should be soluble in CC14? a) Naci b ) H20...
1. Which of the following compounds should be soluble in CC14? a) Naci b ) H20 c) NaOH d) C3H18 e) None of these 2. with increasing CO2 pressure and_ with The solubility of carbon dioxide gas in water increasing temperature. a) increases, increases b) increases, decreases c) decreases, increases d) decreases, decreases e) remains constant, decreases 3. Pressure . Based on the Raoult's Law plot for a mixture of liquids A and B shown on the right, which of...
When you write the answers, please write the page number for which the question is located....
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr d. NHL.CI 6) Which of the following is not a buffer system solution containing roughly equal concentrations of fluoride ion and hydrofluoric acid. c. phosphate ion and monophosphate ion. chloride ion and hydrochloric acid. d s ulfite ion and bisulfite ion. 7) What is indicated by the shape of the titration curve? b. Volume of titrant a. A diprotic acid was titrated with a...
1. Aqueous solutions should be electrically neutral. In other words, cations and anions should be balanced with each other (charge balance) The following table shows the composition of typical seawater. 1. Set up a charge balance equation for the seawater. (b) Analyze the seawater whether is neutral or not. Note that the seawater constituent are expressed in mass concentrations. Constituent mg/kg (ppm) Sodium (Na*) 10,500 1,350 400 380 Magnesium (Mg2) Calcium (Ca2") Potassium (K) Chloride (Cl) Sulfate (SO2) Bicarbonate (HCO3)...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
answer 1-4
Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
1. Which of the following compounds should be soluble in CC14? a) Naci b ) H20 c) NaOH d) C3H18 e) None of these 2. with increasing CO2 pressure and_ with The solubility of carbon dioxide gas in water increasing temperature. a) increases, increases b) increases, decreases c) decreases, increases d) decreases, decreases e) remains constant, decreases 3. Pressure . Based on the Raoult's Law plot for a mixture of liquids A and B shown on the right, which of...
When you write the answers, please write the page number for
which the question is located. Thank you!
Experiment 8 Name: Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of cach reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr d. NHL.CI 6) Which of the following is not a buffer system solution containing roughly equal concentrations of fluoride ion and hydrofluoric acid. c. phosphate ion and monophosphate ion. chloride ion and hydrochloric acid. d s ulfite ion and bisulfite ion. 7) What is indicated by the shape of the titration curve? b. Volume of titrant a. A diprotic acid was titrated with a...
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