I really need help with this one (#26), Determine the molar
concentration of a solution that was made by dissolving 45.6g of
Ba(NO3)2 in 2.33L of solution.Homework Answers
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I really need help with this one (#26), Determine the molar
concentration of a solution that...
Question 1 (0.25 points) What is the molar concentration of sucrose (C12H22011) in a solution made...
Question 1 (0.25 points) What is the molar concentration of sucrose (C12H22011) in a solution made by dissolving 33.95g of sucrose in enough water to make 500.0mL of solution? Use the Periodic Table in Appendix A of your textbook and round to an appropriate number of sig figs. Your Answer: Answer units Question 2 (0.25 points) What is the molar concentration (M) of potassium acetate in a solution made by dissolving 10.83g of potassium acetate in enough water to make...
need help with Concentration solutions Determine the Cu?molar concentration of each unknown solution. For unknown Cu?...
need help with Concentration solutions
Determine the Cu?molar concentration of each unknown solution. For unknown Cu? solution 1, the absorbance = 0.176 at 675 nm. Unknown Cul solution 1 concentration = _м For unknown Cu? solution 2, the absorbance =0.827 at 675 nm. Unknown Cu? solution 2 concentration - M Logger Profile Edit Experiment Data Analyze Insert Options Page Help Help Untitled AoQ 121/ O - Page 1 - No Device Connected Data Set ConcAbs (M 0.012 0.055 0.024 0.106...
What is the approximate molar concentration of Cl' ions in a solution that is made by...
What is the approximate molar concentration of Cl' ions in a solution that is made by dissolving 12.5 g of AlCl3 in enough water to make 400 mL of solution? The molar mass of AICIz is 133.34 g/mol. O 0.234 M 0 0.0781 M O 0.0938 M O 0.703 M O None of these choices is correct
thanks for help i really need this question answer Find the solution of the IVP x'...
thanks for help i really need this question answer Find the solution of the IVP x' = 1 + t + x2 + tx2, x(0) = 0.
Determine the molar concentration of each ion present in the solutions that result from each of...
Determine the molar concentration of each ion present in the solutions that result from each of the following mixtures: (Disregard the concentration of H+ and OH" from water and assume that volumes are additive.) (C) 36.3 mL of 0.340 M Ba(NO3)2 and 25.5 mL of 0.211 M AgNO3 0.59 M Ba+ 0.087 M Ag+ 0.486 M NO3
Hi! I really need help:) a) What is the average molar mass of a mixture of...
Hi! I really need help:)
a) What is the average molar mass of a mixture of gases if
34.6g occupy 45.6L at 57.9 degrees C and 1045 mmHg?
b) Determine the liters of Oxygen needed for the complete
combustion of 769g of benzene (C6H6) if the teaction is run at 23.5
degrees C and 765mHg?
42. What is the average molar mass of a 57.9°C and 1045mmHg? af mass of a mixture of pases if 34.6g occupy 45.0L 43. Determine...
need help C) Determine the concentration of methylene blue solution that has an absorbance 0.615 when...
need help
C) Determine the concentration of methylene blue solution that has an absorbance 0.615 when measured using a 1cm cell. The molar absorptivity is 39064 mol-' cm-1.
Hi, I need help with this Chemistry problem, much like General Chemistry but I am really...
Hi, I need help with this Chemistry problem, much like General
Chemistry but I am really confused when I look at the solution. I
will provide you the solution of the problem together with the
problem. What I need you to do is to walk me through all the
reasonings, logical steps that lead to the solution provided. I
appreciate your help and I will give you feedback as to how clear
your answer is.
And here is the solution...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentratio...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H, SO, in the following situation. When 54 ml of it was completely titrated by 25 ml of 1.2 M NaOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: м FEEDBACK
PLEASE HELP! I really need help figuring out the h nmr of this product drawn on...
PLEASE HELP! I really need help figuring out the h nmr of this
product drawn on the picture. I’m having some trouble assigning
labels and figuring out multiplicity for each of the peaks. Thank
you so much!! I really appreciate it.
TH NMR of the product in CDCl 1a 1.6 1. 6 74 72 7.0 6.6 66 64 6.2 6.0 5.8 5.6 5.4 5.2 5.0 8 46 44 4.2 40 3.8 3.6 34 3.2 3.0 2.8 26 2.4 2.2 2.0...
Question 1 (0.25 points) What is the molar concentration of sucrose (C12H22011) in a solution made by dissolving 33.95g of sucrose in enough water to make 500.0mL of solution? Use the Periodic Table in Appendix A of your textbook and round to an appropriate number of sig figs. Your Answer: Answer units Question 2 (0.25 points) What is the molar concentration (M) of potassium acetate in a solution made by dissolving 10.83g of potassium acetate in enough water to make...
need help with Concentration solutions
Determine the Cu?molar concentration of each unknown solution. For unknown Cu? solution 1, the absorbance = 0.176 at 675 nm. Unknown Cul solution 1 concentration = _м For unknown Cu? solution 2, the absorbance =0.827 at 675 nm. Unknown Cu? solution 2 concentration - M Logger Profile Edit Experiment Data Analyze Insert Options Page Help Help Untitled AoQ 121/ O - Page 1 - No Device Connected Data Set ConcAbs (M 0.012 0.055 0.024 0.106...
What is the approximate molar concentration of Cl' ions in a solution that is made by dissolving 12.5 g of AlCl3 in enough water to make 400 mL of solution? The molar mass of AICIz is 133.34 g/mol. O 0.234 M 0 0.0781 M O 0.0938 M O 0.703 M O None of these choices is correct
Determine the molar concentration of each ion present in the solutions that result from each of the following mixtures: (Disregard the concentration of H+ and OH" from water and assume that volumes are additive.) (C) 36.3 mL of 0.340 M Ba(NO3)2 and 25.5 mL of 0.211 M AgNO3 0.59 M Ba+ 0.087 M Ag+ 0.486 M NO3
Hi! I really need help:)
a) What is the average molar mass of a mixture of gases if
34.6g occupy 45.6L at 57.9 degrees C and 1045 mmHg?
b) Determine the liters of Oxygen needed for the complete
combustion of 769g of benzene (C6H6) if the teaction is run at 23.5
degrees C and 765mHg?
42. What is the average molar mass of a 57.9°C and 1045mmHg? af mass of a mixture of pases if 34.6g occupy 45.0L 43. Determine...
need help
C) Determine the concentration of methylene blue solution that has an absorbance 0.615 when measured using a 1cm cell. The molar absorptivity is 39064 mol-' cm-1.
Hi, I need help with this Chemistry problem, much like General
Chemistry but I am really confused when I look at the solution. I
will provide you the solution of the problem together with the
problem. What I need you to do is to walk me through all the
reasonings, logical steps that lead to the solution provided. I
appreciate your help and I will give you feedback as to how clear
your answer is.
And here is the solution...
Use titration to determine the molar concentration of an unknown solution Question Calculate the molar concentration for H, SO, in the following situation. When 54 ml of it was completely titrated by 25 ml of 1.2 M NaOH, 1 mol of acid was titrated by 2 mol of base. Give your answer in two significant figures. Provide your answer below: м FEEDBACK
PLEASE HELP! I really need help figuring out the h nmr of this
product drawn on the picture. I’m having some trouble assigning
labels and figuring out multiplicity for each of the peaks. Thank
you so much!! I really appreciate it.
TH NMR of the product in CDCl 1a 1.6 1. 6 74 72 7.0 6.6 66 64 6.2 6.0 5.8 5.6 5.4 5.2 5.0 8 46 44 4.2 40 3.8 3.6 34 3.2 3.0 2.8 26 2.4 2.2 2.0...
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