1.A student delivered 11.85 mL (V1) of 2.49 % stock solution (M1) using a graduated pipette...
1.A student delivered 11.85 mL (V1) of 2.49 % stock
solution (M1) using a graduated pipette into a 50.00 mL
(V2) volumetric flask. Distilled water was added to the
flask to the graduation mark and mixed well.
Using the dilution equation (provided below), calculate the
concentration of the diluted solution.
(M1)(V1) = (M2)(V2) Report your answer to 3 decimal places.
2.Density is given by the equation density=mass/vol (d=m/V).
Given that the density of magnesium is known to be 1.74 g/mL, what
volume of water (in mL) would a magnesium cylinder with a mass of
28.85 grams displace?
Report your answer to 2 decimal places.
Homework Answers
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1.A student delivered 11.85 mL (V1) of 2.49 % stock
solution (M1) using a graduated pipette...
1.Density is given by the equation density=mass/vol (d=m/V). Given that the density of magnesium is known...
1.Density is given by the equation density=mass/vol (d=m/V). Given that the density of magnesium is known to be 1.74 g/mL, what volume of water (in mL) would a magnesium cylinder with a mass of 28.85 grams displace? Report your answer to 2 decimal places. 2. Solve for the unknown value in the following equation, y=mx+b, given that the slope and intercept of the line are 38.563 and -0.378, respectively, and that the y value of your ordered pair is 3.33....
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4...
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4 are dissolved in 100 mL of water to prepare this solution. Show your work in the space provided below. (Molar mass of CuSO4 = 159.6086 g/mol) (1 mark) Scso this . cutissu 159.6 خرداكولات و 3. Using a suitable transfer pipette transfer V. mL of your 1M Cuso. solution into a 100 ml volumetric flask. CV C 2V2 4. Using the equation CiV1=C2V2 calculate...
1. Calculate the concentration of a solution prepared by adding 15.00 mL of 1.97 x 10-MKMnO4...
1. Calculate the concentration of a solution prepared by adding 15.00 mL of 1.97 x 10-MKMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint. This is a dilution calculation M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google Sheets/Excel to plot...
1. 2. Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and...
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2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint:...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint: indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.05 x 10-'MKMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: 2. A linear standard curve of KMnO, is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google...
Question 38 (1 point) A student prepared a solution by removing 50.0 mL of a 1.73...
Question 38 (1 point) A student prepared a solution by removing 50.0 mL of a 1.73 M HCl solution and transferring it to a 200.0 mL volumetric flask. She then filled the flask to the graduation line with deionized water. What is the concentration of the new solution? Report your answer to three decimal places. Your Answer: Answer units Question 39 (1 point) A 26.000 g sample of a compound is found to contain 5.174 grams of copper, 13.010 grams...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint:...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 M KMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: *M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard...
If a solution absorbed violet light, what color would the solution appear to be? Hint: Table...
If a solution absorbed violet light, what color would the solution appear to be? Hint: Table I, at the beginning of the experiment, will help you answer this one. Calculate the concentration of a solution prepared by adding 15.00 mL of 1.96×10−31.96×10-3 M KMnO4KMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: This is a dilution calculation. M A linear standard curve of KMnO4KMnO4...
1. If a solution absorbed blue-green light, what color would the solution appear to be? Hint:...
1. If a solution absorbed blue-green light, what color would the solution appear to be? Hint: Table I, at the beginning of the experiment, will help you answer this one. 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 ~ 10-3M KMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: M 2. A linear standard curve of KMnO4 is prepared...
Exercise 1. Lab Preparation. Q1) 25.00 ml of 0.10 M COCI, solution is needed for this...
Exercise 1. Lab Preparation. Q1) 25.00 ml of 0.10 M COCI, solution is needed for this experiment. Show all calculations associated with the creation of this solution. 25.00mil IL 10.10m Coch 100oment Timor coche 0.32g Colla Q2) Describe how to make 25.00 mL of 0.10 M CoCl, solution. Be specific. Prepare the solution. Add 0.32g of Collz in 25.com, of water to preport 0.70M Collz Solomon 93) Determine the amount of 1.00 M HCl stock solution needed to form 100...
1. You are provided with 1M solution of CuSO4. 2. Calculate how many grams of CuSO4 are dissolved in 100 mL of water to prepare this solution. Show your work in the space provided below. (Molar mass of CuSO4 = 159.6086 g/mol) (1 mark) Scso this . cutissu 159.6 خرداكولات و 3. Using a suitable transfer pipette transfer V. mL of your 1M Cuso. solution into a 100 ml volumetric flask. CV C 2V2 4. Using the equation CiV1=C2V2 calculate...
1. Calculate the concentration of a solution prepared by adding 15.00 mL of 1.97 x 10-MKMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint. This is a dilution calculation M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google Sheets/Excel to plot...
1.
2.
Using the equation C1V1 = C2V2, calculate the volume (V1) of concentrated solution and the volume of water needed to dilute the following solutions: Concentration Volume (in mls) Concentration of Volume (in mls) of Volume (in mls) of diluted of desired available stock stock solution required of solvent solution desired solution (V2) solution (C1) to make the diluted required to (C2) solution (V1) achieve desired volume (V2-V1) 5 mg/ml 100 ml 1000 mg/ml 15% 10 ml 50% 0.250...
1. If a solution absorbed yellow light, what color would the solution appear to be? Hint: indigo 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.05 x 10-'MKMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: 2. A linear standard curve of KMnO, is prepared from a set of standard solutions by plotting absorbance (y) vs. concentration (x). Use Google...
Question 38 (1 point) A student prepared a solution by removing 50.0 mL of a 1.73 M HCl solution and transferring it to a 200.0 mL volumetric flask. She then filled the flask to the graduation line with deionized water. What is the concentration of the new solution? Report your answer to three decimal places. Your Answer: Answer units Question 39 (1 point) A 26.000 g sample of a compound is found to contain 5.174 grams of copper, 13.010 grams...
I. If a solution absorbed yellow light, what color would the solution appear to be? Hint: 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 x 10-3 M KMnO, from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water. Hint: *M Your answer is incorrect - Check your calculations. 2. A linear standard curve of KMnO4 is prepared from a set of standard...
1. If a solution absorbed blue-green light, what color would the solution appear to be? Hint: Table I, at the beginning of the experiment, will help you answer this one. 1. Calculate the concentration of a solution prepared by adding 15.00 mL of 2.09 ~ 10-3M KMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 ml graduation mark with distilled water. Hint: M 2. A linear standard curve of KMnO4 is prepared...
Exercise 1. Lab Preparation. Q1) 25.00 ml of 0.10 M COCI, solution is needed for this experiment. Show all calculations associated with the creation of this solution. 25.00mil IL 10.10m Coch 100oment Timor coche 0.32g Colla Q2) Describe how to make 25.00 mL of 0.10 M CoCl, solution. Be specific. Prepare the solution. Add 0.32g of Collz in 25.com, of water to preport 0.70M Collz Solomon 93) Determine the amount of 1.00 M HCl stock solution needed to form 100...
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