Use the amounts of water and 0.600 M HCl solution found in Table 3 of your...
Use the amounts of water and 0.600 M HCl solution found in Table 3 of your worksheets to calculate the concentrations of the eight dilute HCl solutions you will use in the lab. Do this for Flask 3 and enter your answer in the box below.
This is the information from table 3 flask #3:
volume of water (mL): 25
Volume of HCl (mL): 10
Homework Answers
Add Answer to:
Use the amounts of water and 0.600 M HCl solution found in Table
3 of your...
Enter your answer in the provided box. Calculate the composition of the following solution in mass/volume...
Enter your answer in the provided box. Calculate the composition of the following solution in mass/volume %: 40.0 g benzene per 1.00 x 102 mL % benzene Calculate the volume, in L, of water that must be added to dilute 22.9 mL of 10.5 M HCl to 0.0900 M HCl. Enter your answer in the provided box. L water
Dissolve 500mg calcium carbonate tablet in 20 mL distilled water and 20.00 mL 2 M HCl....
Dissolve 500mg calcium carbonate tablet in 20 mL distilled water and 20.00 mL 2 M HCl. Transfer each solution quantitatively with distilled water to a 250 mL volumetric flask. Dilute to volume and mix. Titrate 15.00mL aliquots of the tablet solutions with 0.1 NaOH to the phenolphthalein endpoint. Please determine the expected titration volume of tablet. thank you!
Use a volumetric pipet to deliver 2 mL of 4 M sodium hydroxide solution to each...
Use a volumetric pipet to deliver 2 mL of 4 M sodium hydroxide solution to each of seven 100-mL volumetric flasks. Add 2,4, 6, 8, and 10 mL, respectively, of the salicylic acid stock solution to 5 of the labeled flasks. Calculate the concentrations of the standard solutions. Use a pipet to place 10 mL of the unknown solution into another volumetric flask and label Unknown 1. Dilute each solution to the mark with DI water. The seventh flask that...
wame Jayda March Post-lab 22 Dilution and Titration 1. A dilute HCl solution was prepared by...
wame Jayda March Post-lab 22 Dilution and Titration 1. A dilute HCl solution was prepared by adding 5.00 mL of 12.0 M HCl to a 250.0 ml flask. and diluting with water. What is the concentration of the dilute HCl solution?
Calculate the concentration of the standard HCl solution you prepared. Determine this concentration for each trial...
Calculate the concentration of the standard HCl solution you
prepared. Determine this
concentration for each trial and the average and standard
deviation for all three trials.
Part B-Preparation and standardization of an HCl Solution 1. Before you can titrate your saturated Ca(oH)a solutions, you must prepare and standardize a dilute solution of Hcl. With a graduated cylinder measure at least 6 mL of the stock Hcl lution, transfer it to a 125 mL Erlenmeyer, and dilute to approximately 100 mL...
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution...
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution KSCN (mL) Fe(NO3)3 (mL) 0.5 5 [FeSCN2+] (mol/L)* 1 4.0x10^-5 Add 1.0 M 2 1.0 5 8.0x10^-5 HNO3 3 1.5 5 1.2x10^-10 4 2.0 5 1.6x10-4 to each to adjust the volume to 25 mL. 5 2.5 5 2.0x10-4 * Calculate the concentrations of FeSCN2+ in each beaker, assuming that all SCN-ions exist as FeSCN2+. In other words, [FeSCN2+] (in Soln 1) = [SCN-]...
Calculate the initial concentration of iron(III) in solution #1, #2, #3. Beaker (mL) Table 1. Reagent...
Calculate the initial concentration of iron(III) in
solution #1, #2, #3.
Beaker (mL) Table 1. Reagent Solutions Provided by the Stockroom Solution Name Reagent [Reagent] (M) Volume (mL) Standard iron Fe(NO3)3 2.50 x 10 in 0.10 M HNO3 nitric acid HNO3 0.10 120 35 50 250 conc. SCN KSCN 0.50 30 50 dilute SCN KSCN 2.50 x 10-3 30 50 Worksheet 1 #1 5.00 #2 10.00 #3 15.00 Dilute iron (mL) [Fe**] (M) [Fe(SCN)?*] (M) %T 480 58.9 35.8 21.5...
Q3.1 3 Points A 12.0 M stock solution of HCl(aq) is diluted with water to give...
Q3.1 3 Points A 12.0 M stock solution of HCl(aq) is diluted with water to give 500.0 ml of 0.155 M HCl(aq). What volume of the initial stock solution is used in ml? Enter your answer here mL Q3.2 6 Points A sample of 75.52 g of xylose (C5H1005) is dissolved in 275.0 mL of water. If the density of water is 1.00 g/ml What is the m/m % of xylose in the solution? Enter your answer here What is...
QUESTIONS 1. Determine the concentration of the HCL solution from the data for the standardization of...
QUESTIONS 1. Determine the concentration of the HCL solution from the data for the standardization of the HCL with the Na2CO3 2. using your data, calculate the moles and mass of acetylsalicylic acid in each tablet (molar mass=180.16g/mol) 3. Using your data, calculate the % by mass of aspirin in the tablet DATA: 1. Make two solutions; Add 1 tablet of aspirin to an erlenmeyer flask 2. using a 50mL pipette, add 50.0mL of NaOH to the tablets in the...
6) A stock solution of HCl is 11.50 M, if 15.29 ml of the stock solution...
6) A stock solution of HCl is 11.50 M, if 15.29 ml of the stock solution is diluted with water to a total volume of 5.000 L what is the pH, POH, [H30*), and (OH') at 25°C of the new (dilute) solution? (show your work). pH : pОН: [H30*): (OH) :
Enter your answer in the provided box. Calculate the composition of the following solution in mass/volume %: 40.0 g benzene per 1.00 x 102 mL % benzene Calculate the volume, in L, of water that must be added to dilute 22.9 mL of 10.5 M HCl to 0.0900 M HCl. Enter your answer in the provided box. L water
Use a volumetric pipet to deliver 2 mL of 4 M sodium hydroxide solution to each of seven 100-mL volumetric flasks. Add 2,4, 6, 8, and 10 mL, respectively, of the salicylic acid stock solution to 5 of the labeled flasks. Calculate the concentrations of the standard solutions. Use a pipet to place 10 mL of the unknown solution into another volumetric flask and label Unknown 1. Dilute each solution to the mark with DI water. The seventh flask that...
wame Jayda March Post-lab 22 Dilution and Titration 1. A dilute HCl solution was prepared by adding 5.00 mL of 12.0 M HCl to a 250.0 ml flask. and diluting with water. What is the concentration of the dilute HCl solution?
Calculate the concentration of the standard HCl solution you
prepared. Determine this
concentration for each trial and the average and standard
deviation for all three trials.
Part B-Preparation and standardization of an HCl Solution 1. Before you can titrate your saturated Ca(oH)a solutions, you must prepare and standardize a dilute solution of Hcl. With a graduated cylinder measure at least 6 mL of the stock Hcl lution, transfer it to a 125 mL Erlenmeyer, and dilute to approximately 100 mL...
Table A. Preparation of Standard solutions of FeSCN2+ 1.0 M HNO3 0.002 M 0.200 M Solution KSCN (mL) Fe(NO3)3 (mL) 0.5 5 [FeSCN2+] (mol/L)* 1 4.0x10^-5 Add 1.0 M 2 1.0 5 8.0x10^-5 HNO3 3 1.5 5 1.2x10^-10 4 2.0 5 1.6x10-4 to each to adjust the volume to 25 mL. 5 2.5 5 2.0x10-4 * Calculate the concentrations of FeSCN2+ in each beaker, assuming that all SCN-ions exist as FeSCN2+. In other words, [FeSCN2+] (in Soln 1) = [SCN-]...
Calculate the initial concentration of iron(III) in
solution #1, #2, #3.
Beaker (mL) Table 1. Reagent Solutions Provided by the Stockroom Solution Name Reagent [Reagent] (M) Volume (mL) Standard iron Fe(NO3)3 2.50 x 10 in 0.10 M HNO3 nitric acid HNO3 0.10 120 35 50 250 conc. SCN KSCN 0.50 30 50 dilute SCN KSCN 2.50 x 10-3 30 50 Worksheet 1 #1 5.00 #2 10.00 #3 15.00 Dilute iron (mL) [Fe**] (M) [Fe(SCN)?*] (M) %T 480 58.9 35.8 21.5...
Q3.1 3 Points A 12.0 M stock solution of HCl(aq) is diluted with water to give 500.0 ml of 0.155 M HCl(aq). What volume of the initial stock solution is used in ml? Enter your answer here mL Q3.2 6 Points A sample of 75.52 g of xylose (C5H1005) is dissolved in 275.0 mL of water. If the density of water is 1.00 g/ml What is the m/m % of xylose in the solution? Enter your answer here What is...
6) A stock solution of HCl is 11.50 M, if 15.29 ml of the stock solution is diluted with water to a total volume of 5.000 L what is the pH, POH, [H30*), and (OH') at 25°C of the new (dilute) solution? (show your work). pH : pОН: [H30*): (OH) :
Most questions answered within 3 hours.
-
A gene has four alleles, A1, A2,
A3, and A4. The alleles occur in a population...
asked 11 minutes ago -
Discuss when you think a broad banding pay structure might work
best and why. If you...
asked 35 minutes ago -
A child's mother has type A blood. Their father has type B
blood. The child has...
asked 1 hour ago -
Last year's dividend (D0) was$3.20per share. The constant growth
in dividends=6.25%. Required return=12%.
Requirement 1:
What...
asked 1 hour ago -
What is the chemical equation for the reaction that occurs
between hydrochloric acid & potassium carbonate?...
asked 1 hour ago -
Today is your 25th birthday, and you want to save $1.9 Million
by your birthday at...
asked 2 hours ago -
James Bakery sells cupcakes to William's Restaurant. The credit
terms are 1%/5/net 15. The selling price...
asked 4 hours ago -
The cost of ink cartridges for inkjet printers can be
substantial over the life of a...
asked 4 hours ago -
what do you think would be your reservations in
relaying on the linear regression model for...
asked 4 hours ago -
Which of the following best describes the expected value of a
discrete random variable?
Select one:...
asked 4 hours ago -
An infinite slab of ordinary water 16 cm thick contains a planar
source at its center...
asked 5 hours ago -
Generate the balanced redox reaction for the oxidation of HS- to
SO4-2 using the reduction of...
asked 5 hours ago