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13.54 Describe how you would prepare each of the following aque- ous solutions: (a) 1.50 L...
Each week before you have chemistry lab, someone needs to prepare all the solutions you will...
Each week before you have chemistry lab, someone needs to prepare all the solutions you will use in your experiment. Suppose your experiment for next week calls for 0.500 M NaOH solution, 3.00 M NH4Cl solution, and 0.100 M Na3PO4 solution. Calculate the mass in grams for each solute that would be needed to prepare 8.00 L of each of the solutions. Calculate the mass, in grams, of solute present in each of the following solutions: a. 225 g of...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A....
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. A. 0.90 L of 1.4×10−2 M KBr B. 110 g of 0.160 m KBr C. 1.95 L of a solution that is 14.0 % KBr by mass (the density of the solution is 1.10 g/mL) D. a 0.130 M solution of KBr that contains just enough KBr to precipitate 16.0 g of AgBr from a solution containing 0.480 mol of AgNO3
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. 1]...
Describe how you would prepare each of the following aqueous solutions, starting with solid KBr. 1] 0.70 L of 1.4×10−2 M KBr Express your answer using two significant figures. Enter your answers numerically separated by commas. 2] 120 g of 0.190 m KBr Enter your answers numerically separated by commas. 3] 1.70 L of a solution that is 14.0 % KBr by mass (the density of the solution is 1.10 g/mL) Enter your answers numerically separated by commas. 4] a...
For full marks in the following questions, you must provide the Ksp algebraic expression and all...
For full marks in the following questions, you must provide the Ksp algebraic expression and all relevant chemical equations including source equations. The solubility of Ag2CO3 in water is 0.038 g / L. What is the Ksp of Ag2CO3? The Ksp of Pb(IO3)2 is 3.7 x 10-12 at 25 0C. What is the solubility of Pb(IO3)2 in water in g / L at 250 C? 200 ml of a saturated solution of BaF2 was evaporated to dryness and yielded 1.24...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
How much dry solute would you take to prepare each of the following solutions from the...
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent? 1. 116 g of 0.200 m NaNO3? 2. 116 g of 1.6 % NaNO3 solution by mass? 3. How much solvent would you take to prepare the solution in question 1? 4.How much solvent would you take to prepare the solution in question 2?
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0...
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0 L of a 3.0 M NaOH solution Express your answer using two significant figures. IVO AP R O 2 ? g NaOH Submit Request Answer Part B 5.5 L of a 0.40 M CaCl2 solution Express your answer using two significant figures. OVO ACOM O a ? m= g CaCl2 Submit Request Answer Part 190 mL of a 2.75 M NaNO3 solution Express your...
L 13) In which of the following solutions would solid PbCl2 be expected to be the least soluble at 25°C? pure water...
L 13) In which of the following solutions would solid PbCl2 be expected to be the least soluble at 25°C? pure water BL 0.1 M HCI C) 0.1 M NaCl DI 0.1 M CaCl2 K (14) Which of the following would decrease the K, for Pblz? Pb1, 2 Pb!? +27 adding a solution of Pb(NO3)2 K) adding a solution of KI L_adding more Pb12(S) T aone of the above - K, of a compound is constant at constant temperature
7.43 Explain how you would prepare the following solutions us- ing pure solute and water. Assume water has a densit...
7.43 Explain how you would prepare the following solutions us- ing pure solute and water. Assume water has a density of 1.00 g/mL. a. 250 mL of a 2.00 M NaOH solution b. 500 mL of a 40.0% (v/v) alcohol solution (C,H,OH) c.100 mL of a 15.0% (w/v) glycerol solution. Glycerol is a liquid with a density of 1.26 g/mL. Describe two ways to measure out the amount of glycerol needed. d. Approximately 50 mL of a normal saline solution,...
31. To what volume should you dilute 50.0 mL of a 12 M stock HNO3 solution...
31. To what volume should you dilute 50.0 mL of a 12 M stock HNO3 solution to obtain a 0.100 M HNO3 solution? MISSED THIS? Read Section 5.2; Watch KCV 5.2, IWE 5.3 react WILII 129 TIL U10.100 J D 35. What is the minimum amount of 6.0 M H2SO4 necessary to produce 25.0 g of Hz(8) according to the reaction between aluminum and sulfuric acid? MISSED THIS? Read Section 5.3; Watch IWE 5.4 2 Al(s) + 3 H2SO4(aq) -...
Each week before you have chemistry lab, someone needs to prepare all the solutions you will use in your experiment. Suppose your experiment for next week calls for 0.500 M NaOH solution, 3.00 M NH4Cl solution, and 0.100 M Na3PO4 solution. Calculate the mass in grams for each solute that would be needed to prepare 8.00 L of each of the solutions. Calculate the mass, in grams, of solute present in each of the following solutions: a. 225 g of...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0 L of a 3.0 M NaOH solution Express your answer using two significant figures. IVO AP R O 2 ? g NaOH Submit Request Answer Part B 5.5 L of a 0.40 M CaCl2 solution Express your answer using two significant figures. OVO ACOM O a ? m= g CaCl2 Submit Request Answer Part 190 mL of a 2.75 M NaNO3 solution Express your...
L 13) In which of the following solutions would solid PbCl2 be expected to be the least soluble at 25°C? pure water BL 0.1 M HCI C) 0.1 M NaCl DI 0.1 M CaCl2 K (14) Which of the following would decrease the K, for Pblz? Pb1, 2 Pb!? +27 adding a solution of Pb(NO3)2 K) adding a solution of KI L_adding more Pb12(S) T aone of the above - K, of a compound is constant at constant temperature
7.43 Explain how you would prepare the following solutions us- ing pure solute and water. Assume water has a density of 1.00 g/mL. a. 250 mL of a 2.00 M NaOH solution b. 500 mL of a 40.0% (v/v) alcohol solution (C,H,OH) c.100 mL of a 15.0% (w/v) glycerol solution. Glycerol is a liquid with a density of 1.26 g/mL. Describe two ways to measure out the amount of glycerol needed. d. Approximately 50 mL of a normal saline solution,...
31. To what volume should you dilute 50.0 mL of a 12 M stock HNO3 solution to obtain a 0.100 M HNO3 solution? MISSED THIS? Read Section 5.2; Watch KCV 5.2, IWE 5.3 react WILII 129 TIL U10.100 J D 35. What is the minimum amount of 6.0 M H2SO4 necessary to produce 25.0 g of Hz(8) according to the reaction between aluminum and sulfuric acid? MISSED THIS? Read Section 5.3; Watch IWE 5.4 2 Al(s) + 3 H2SO4(aq) -...
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