Homework Answers
1) 300 ml of AgNO3 at 0.2g/ml
total volume to be prepared=300 ml
mass of AgNO3 required=0.2g/ml * 300ml=60g
take 60 g AgNO3 in 300 ml volumetric flask and add 100 ml water,shake well to dissolve the salt.Add water upto the mark to make its volume to 300ml
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How would you prepare the following solutions? Unless stated otherwise, assume that the solvent is purified...
How would you prepare the following solutions? Unless stated otherwise, assume that the solvent is purified...
How would you prepare the following solutions? Unless stated otherwise, assume that the solvent is purified water and that you will dissolve the solute in a lesser amount of solvent and then "bring the solution to volume". Show your math.
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?
Solutions 1. Identify the solvent and solute(s) in each of the following solutions. Note that there...
Solutions 1. Identify the solvent and solute(s) in each of the following solutions. Note that there may be more than one solute in a solution. A 20 g of calcium chloride CaCl2 dissolved in 100 g of water. Solvent Solute(s) B Air which contains 20.95% oxygen, 0.93% argon, 78.09% nitrogen and 0.04% carbon dioxide. Solvent Solute(s) C Rubbing alcohol which consists of 70% isopropyl alcohol and 30% water. Solvent Solute(s) D Alloy 7705 which consist of 6% zinc, 2.3% magnesium,...
Explain how you would prepare each of the following solutions, using liquid stock hydrogen peroxide as the solute and s...
Explain how you would prepare each of the following solutions,
using liquid stock hydrogen peroxide as the solute and saline as
the solvent
Section 3 Drug Dosage Calculations Review Set 27 plain how you would prepare each of the following solution as the solute and saline as the solvent. 1. 480 mL of strength for wound irrigation
7. You need to prepare 250 mL of a 0.300 M aqueous solution of sucrose, C...
7. You need to prepare 250 mL of a 0.300 M aqueous solution of sucrose, C H20 (aq), which is used frequently in biological experiments. (pts each) A. Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)? 250ml B. What mass of sucrose would you use? Show work C. How should the solute and solvent be mixed in the container? a. Add solute and fill solvent to 250 mark?...
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,...
In the following problems, unless otherwise stated, assume 쎄Cox-200 μΑ/V, VTHN = 0.4 V and VTHP...
In the following problems, unless otherwise stated, assume 쎄Cox-200 μΑ/V, VTHN = 0.4 V and VTHP =-0.4 V
(1 point) In this chapter, assume the log-normal model. Unless otherwise stated, assume no arbitrage opportunities...
(1 point) In this chapter, assume the log-normal model. Unless otherwise stated, assume no arbitrage opportunities The current spot price of a stock is $36.00, the expected rate of return of the stock is 7.6%, and the volatility is 15%. The risk-free rate is 5.8% Compute the price of a derivative whose payoff in 16 months is - In(S5) + $0.537 Where S denotes the stock price in 16 months. Enter your solution as a dollar value, including dollar symbol...
Unless stated otherwise, interest is compounded annually, and payments occur at the end of the period....
Unless stated otherwise, interest is compounded annually, and payments occur at the end of the period. Face value for bonds is $1000. Answer the following questions about your vacation package. You can invest $800 at 12% with quarterly compounding. If you need $1444.90 for the deluxe vacation package, how long would you need to wait for your vacation (in years)? What is the effective rate on your savings?
Question 4 1.6 pt: Which one of the following statements is correct? Unless otherwise stated you...
Question 4 1.6 pt: Which one of the following statements is correct? Unless otherwise stated you are to assume that unspecified reaction conditions are common to both reactions. Reaction G Reaction J NaCN (4 moles/L) NaCN (8 moles/L) DMSO, 40°C DMSO, 40°C O Reaction G is the slower Sn2 reaction Reaction H is the slower Sn2 reaction None of the above Question 5 1.6 pt Which one of the following statements is correct? Unless otherwise stated you are to assume...
How would you prepare the following solutions? Unless stated otherwise, assume that the solvent is purified water and that you will dissolve the solute in a lesser amount of solvent and then "bring the solution to volume". Show your math.
Solutions 1. Identify the solvent and solute(s) in each of the following solutions. Note that there may be more than one solute in a solution. A 20 g of calcium chloride CaCl2 dissolved in 100 g of water. Solvent Solute(s) B Air which contains 20.95% oxygen, 0.93% argon, 78.09% nitrogen and 0.04% carbon dioxide. Solvent Solute(s) C Rubbing alcohol which consists of 70% isopropyl alcohol and 30% water. Solvent Solute(s) D Alloy 7705 which consist of 6% zinc, 2.3% magnesium,...
Explain how you would prepare each of the following solutions,
using liquid stock hydrogen peroxide as the solute and saline as
the solvent
Section 3 Drug Dosage Calculations Review Set 27 plain how you would prepare each of the following solution as the solute and saline as the solvent. 1. 480 mL of strength for wound irrigation
7. You need to prepare 250 mL of a 0.300 M aqueous solution of sucrose, C H20 (aq), which is used frequently in biological experiments. (pts each) A. Which type of glassware should you use to make this solution (assuming that the accuracy of the concentration is important)? 250ml B. What mass of sucrose would you use? Show work C. How should the solute and solvent be mixed in the container? a. Add solute and fill solvent to 250 mark?...
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,...
In the following problems, unless otherwise stated, assume 쎄Cox-200 μΑ/V, VTHN = 0.4 V and VTHP =-0.4 V
(1 point) In this chapter, assume the log-normal model. Unless otherwise stated, assume no arbitrage opportunities The current spot price of a stock is $36.00, the expected rate of return of the stock is 7.6%, and the volatility is 15%. The risk-free rate is 5.8% Compute the price of a derivative whose payoff in 16 months is - In(S5) + $0.537 Where S denotes the stock price in 16 months. Enter your solution as a dollar value, including dollar symbol...
Question 4 1.6 pt: Which one of the following statements is correct? Unless otherwise stated you are to assume that unspecified reaction conditions are common to both reactions. Reaction G Reaction J NaCN (4 moles/L) NaCN (8 moles/L) DMSO, 40°C DMSO, 40°C O Reaction G is the slower Sn2 reaction Reaction H is the slower Sn2 reaction None of the above Question 5 1.6 pt Which one of the following statements is correct? Unless otherwise stated you are to assume...
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