You must dilute a 4X stock solution of a hydrogen peroxide to 800 mLmL to dispense a 2 %% solution.
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You must dilute a 4X stock solution of a hydrogen
peroxide to 800 mLmL to dispense...
You must dilute a 5X stock solution of a hydrogen peroxide to 500 mL to dispense...
You must dilute a 5X stock solution of a hydrogen peroxide to 500 mL to dispense a 5 % solution. a. How much of the 5X stock do you need? b.What is the concentration of the 5X stock solution?
To what volume should you dilute 45 mL of a 13 M stock HNO, solution to...
To what volume should you dilute 45 mL of a 13 M stock HNO, solution to obtain a 0.143 M HNO3 solution? Express your answer using two significant figures. IVO AXO A O ?
Answer Part A-C please, thanks. II Review | Constants | Periodic Table A 0.32 mol amount...
Answer Part A-C please, thanks.
II Review | Constants | Periodic Table A 0.32 mol amount of NH3 is dissolved in 0.47 L of a 0.38 M silver nitrate solution. Kf = 1.7 x 107 Part A Calculate the equilibrium concentration of Ag+ in the solution. Express your answer to three significant figures and include the appropriate ? OCH HA Value O Units [Ag*)= Submit Request Answer Part B Calculate the equilibrium concentration of NH3 in the solution. Express your...
Consider two aqueous solutions of nitrous acid (HNO2). Solution A has a concentration of (HNO2] =...
Consider two aqueous solutions of nitrous acid (HNO2). Solution A has a concentration of (HNO2] = 0.25 M and solution B has a concentration of (HNO2] = 1.55 M. You may want to reference (Page 743) Section 16.6 while completing this problem. Part A Which statement about the two solutions is true? O Solution B has the higher percent ionization and the higher pH. O Solution A has the higher percent ionization and the higher pH. O Solution B has...
Assume a 3.0 mass % aqueous solution of compound that has molar mass of 74.44. (Assume...
Assume a 3.0 mass % aqueous solution of compound that has molar mass of 74.44. (Assume the density of water at this temperatue is 1.00 g/mL.) Part A What is the molality of the compound in this solution? Express your answer using two significant figures. IVO AQ R O 2 ? molality = Submit Request Answer Part B What is the mole fraction of this comound in the solution? Express your answer using two significant figures. VA¢ * N O...
1. You have a stock solution of 35 % hydrogen peroxide. You need to make several...
1. You have a stock solution of 35 % hydrogen peroxide. You need to make several dilutions for a reaction. Calculate how much volume of the stock hydrogen peroxide you need to make 50 mL of 10 % hydrogen peroxide. 2. Using the equation of the line from the graph below, calculate the concentration of hydrogen peroxide if 820 mL of foam is produced from the reaction with potassium iodide. Foam Production vs. Concentration H2O2 1500 y 49.534x R-0.9677 1000...
Part A What is the hydrogen ion concentration of a solution that has a pH of...
Part A What is the hydrogen ion concentration of a solution that has a pH of 11? Express your answer using one significant figures. VALO mol/L Submit Request Answer Provide Feedback
K1, K2, K3 are not given in the question Part A Calculate he following polyprotic acid...
K1, K2, K3 are not given in the question
Part A Calculate he following polyprotic acid solution: 0.360 MH3PO4. Express your answer using two significant figures. IVO AQ – O 2 ? [H3O+]= Submit Request Answer Part B Calculate the pH of this solution. Express your answer using one decimal place. IVO A¢ * O O ? pH = Submit Request Answer
A 25-cm-diameter cylinder that is 42 cm long contains 60 g of oxygen gas at 20°C....
A 25-cm-diameter cylinder that is 42 cm long contains 60 g of oxygen gas at 20°C. Express your answer using two significant figures. You may want to review (Pages 500 - 502). V AE O ? For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Air in warmed tire. mol Submit Request Answer Part B How many oxygen molecules are in the cylinder? Express your answer using two significant figures....
Morpholine (C4H.NO) is a weak organic base with pKb = 5.68. Part A Calculate the pH...
Morpholine (C4H.NO) is a weak organic base with pKb = 5.68. Part A Calculate the pH in a 1.00x10-2 M morpholine solution. Express your answer using three decimal places. VO AP o 2 ? Submit Request Answer Part B Calculate the the concentration of C4H.NO in a 1.00x10-2 M morpholine solution. Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Part C Calculate the the concentration of HC4H,Not in a 1.00×10-2 Mmorpholine...
To what volume should you dilute 45 mL of a 13 M stock HNO, solution to obtain a 0.143 M HNO3 solution? Express your answer using two significant figures. IVO AXO A O ?
Answer Part A-C please, thanks.
II Review | Constants | Periodic Table A 0.32 mol amount of NH3 is dissolved in 0.47 L of a 0.38 M silver nitrate solution. Kf = 1.7 x 107 Part A Calculate the equilibrium concentration of Ag+ in the solution. Express your answer to three significant figures and include the appropriate ? OCH HA Value O Units [Ag*)= Submit Request Answer Part B Calculate the equilibrium concentration of NH3 in the solution. Express your...
Consider two aqueous solutions of nitrous acid (HNO2). Solution A has a concentration of (HNO2] = 0.25 M and solution B has a concentration of (HNO2] = 1.55 M. You may want to reference (Page 743) Section 16.6 while completing this problem. Part A Which statement about the two solutions is true? O Solution B has the higher percent ionization and the higher pH. O Solution A has the higher percent ionization and the higher pH. O Solution B has...
Assume a 3.0 mass % aqueous solution of compound that has molar mass of 74.44. (Assume the density of water at this temperatue is 1.00 g/mL.) Part A What is the molality of the compound in this solution? Express your answer using two significant figures. IVO AQ R O 2 ? molality = Submit Request Answer Part B What is the mole fraction of this comound in the solution? Express your answer using two significant figures. VA¢ * N O...
1. You have a stock solution of 35 % hydrogen peroxide. You need to make several dilutions for a reaction. Calculate how much volume of the stock hydrogen peroxide you need to make 50 mL of 10 % hydrogen peroxide. 2. Using the equation of the line from the graph below, calculate the concentration of hydrogen peroxide if 820 mL of foam is produced from the reaction with potassium iodide. Foam Production vs. Concentration H2O2 1500 y 49.534x R-0.9677 1000...
Part A What is the hydrogen ion concentration of a solution that has a pH of 11? Express your answer using one significant figures. VALO mol/L Submit Request Answer Provide Feedback
K1, K2, K3 are not given in the question
Part A Calculate he following polyprotic acid solution: 0.360 MH3PO4. Express your answer using two significant figures. IVO AQ – O 2 ? [H3O+]= Submit Request Answer Part B Calculate the pH of this solution. Express your answer using one decimal place. IVO A¢ * O O ? pH = Submit Request Answer
A 25-cm-diameter cylinder that is 42 cm long contains 60 g of oxygen gas at 20°C. Express your answer using two significant figures. You may want to review (Pages 500 - 502). V AE O ? For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Air in warmed tire. mol Submit Request Answer Part B How many oxygen molecules are in the cylinder? Express your answer using two significant figures....
Morpholine (C4H.NO) is a weak organic base with pKb = 5.68. Part A Calculate the pH in a 1.00x10-2 M morpholine solution. Express your answer using three decimal places. VO AP o 2 ? Submit Request Answer Part B Calculate the the concentration of C4H.NO in a 1.00x10-2 M morpholine solution. Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Part C Calculate the the concentration of HC4H,Not in a 1.00×10-2 Mmorpholine...
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