Homework Answers
1:10000 ratio of a drug solution =0.01% solution.(percentage concentration)
1g solute in 100ml gives 1% solution.
0.01% solution of epinephrine is prepared by dissolving 0.01g of drug in the solvent and making up the volume upto 100ml. or it can also be 0.1mg per ml.
Add Answer to:
What is the percentage concentration of a 1:10,000 solution of epinephrine HCI (MW 219.20)?
Assume that you have a stock solution of epinephrine at a concentration of 3 mg/mL. Knowing...
Assume that you have a stock solution of epinephrine at a concentration of 3 mg/mL. Knowing that the pipette you will use delivers 20 drops/mL, calculate the number of drops of the stock solution that must be added to a smooth muscle bath containing 27 mL of Locke’s solution so that the final concentration of epinephrine in the muscle bath will be 173 µg/mL.
It the K value for hydrochloric acid (HCI) is 1000, and the pH of the solution is 4 what is the concentration of HCI re...
It the K value for hydrochloric acid (HCI) is 1000, and the pH of the solution is 4 what is the concentration of HCI remaining in the solution at equilibrium? You will need to provide the chemical reaction, the charge balance, and mass balance. All info you need is provided here except the molecular weights. (6 pts)
It the K value for hydrochloric acid (HCI) is 1000, and the pH of the solution is 4 what is the concentration of...
what is the concentration of a solution made by diluting 100mL of 3.0 M HCI woth...
what is the concentration of a solution made by diluting 100mL of 3.0 M HCI woth 300mL water?
An EpiPen Jr., used to treat anaphalactic allergic reactions, contains 0.15 mg of epinephrine. The concentration...
An EpiPen Jr., used to treat anaphalactic allergic reactions, contains 0.15 mg of epinephrine. The concentration of epinephrine in each syringe is 0.50 mg/mL. What is the volume, in milliliters (mL), of solution in each syringe?
Concentration of NaOH Solution = 0.397 _M (from last week) 23 Trial # 1 Volume HCI...
Concentration of NaOH Solution = 0.397 _M (from last week) 23 Trial # 1 Volume HCI (mL) 10ml 1 ml 10mL 10mL 25.3 m2 19 mL Initial volume NaOH (mL) Final volume NaOH (mL) 25.3.149.3591/42.65mL Volume used NaOH (mL) 124.2m2 24.05mL | 23,65mL The following are the best three titration trials of NaOH that will be used in the Calculations Section: 24.2 m 24.05 mL 23.65 mL Volume of 6M HCl solution and diH2O needed to prepare 100mL of a...
The concentration of a solution of glucose is 150g per liter of solution. What is the...
The concentration of a solution of glucose is 150g per liter of solution. What is the molaritu of this solution? (MW =180 g/mol)
1. What is the molar concentration of a solution that contains 10 grams of KCl in...
1. What is the molar concentration of a solution that contains 10 grams of KCl in 500 ml of DI water? (MW of KCI = 74 g/mol) a. What is the osmolarity of this solution? b. What is the tonicity of this solution? c. What would happen to a normal red blood cell that was put into this solution?
Question 20 36.44 mL of NaOH are titrated with a known concentration of HCI (0.35M). Calculate...
Question 20 36.44 mL of NaOH are titrated with a known concentration of HCI (0.35M). Calculate the moles of NaOH at the end point 24.35mL of HCl were used. (NaOH MW. 40 gmol HCI W pinos 8.5 moles HCI 0.14 mol HCI 0.0006 mol HCI 0.0085 moles HCI
7. You are given a solution of unknown concentration of HCI. (8 Points) You are asked...
7. You are given a solution of unknown concentration of HCI. (8 Points) You are asked to determine its concentration by titration. You made up a 0.25 moles/Liter solution of NaOH. You filled the burette with NaOH up to the mark. You measured 10 mL of the HCl solution into an Ehrlenmeyer flask and added 1 drop of the phenol- phthalein indicator You titrated the HCl in the Ehrlenmeyer flask with NaOH from the burette 3 times. Your observations were:...
23°C Experiment 1 (Room Temperature): Temp. of Saturated Borax Solution: HCI Concentration: — 100M Trial 1...
23°C Experiment 1 (Room Temperature): Temp. of Saturated Borax Solution: HCI Concentration: — 100M Trial 1 Volume of borax solution titrated: 5.00 ml Trial 2 5.00 ml Initial Burette Reading 3.20 ml 17.55 ml Final Burette Reading 17.55 ml 31.70 ml Volume of HCl used Moles of HCl used Moles of B.Os(OH), present in titrant Concentration of B.Os(OH), in titrant Concentration of Nain titrant Average Conc. of B.Os(OH)4 in titrant Average Conc. of Nat in titrant Equilibrium Constant Ksp expression...
It the K value for hydrochloric acid (HCI) is 1000, and the pH of the solution is 4 what is the concentration of HCI remaining in the solution at equilibrium? You will need to provide the chemical reaction, the charge balance, and mass balance. All info you need is provided here except the molecular weights. (6 pts)
It the K value for hydrochloric acid (HCI) is 1000, and the pH of the solution is 4 what is the concentration of...
Concentration of NaOH Solution = 0.397 _M (from last week) 23 Trial # 1 Volume HCI (mL) 10ml 1 ml 10mL 10mL 25.3 m2 19 mL Initial volume NaOH (mL) Final volume NaOH (mL) 25.3.149.3591/42.65mL Volume used NaOH (mL) 124.2m2 24.05mL | 23,65mL The following are the best three titration trials of NaOH that will be used in the Calculations Section: 24.2 m 24.05 mL 23.65 mL Volume of 6M HCl solution and diH2O needed to prepare 100mL of a...
1. What is the molar concentration of a solution that contains 10 grams of KCl in 500 ml of DI water? (MW of KCI = 74 g/mol) a. What is the osmolarity of this solution? b. What is the tonicity of this solution? c. What would happen to a normal red blood cell that was put into this solution?
Question 20 36.44 mL of NaOH are titrated with a known concentration of HCI (0.35M). Calculate the moles of NaOH at the end point 24.35mL of HCl were used. (NaOH MW. 40 gmol HCI W pinos 8.5 moles HCI 0.14 mol HCI 0.0006 mol HCI 0.0085 moles HCI
7. You are given a solution of unknown concentration of HCI. (8 Points) You are asked to determine its concentration by titration. You made up a 0.25 moles/Liter solution of NaOH. You filled the burette with NaOH up to the mark. You measured 10 mL of the HCl solution into an Ehrlenmeyer flask and added 1 drop of the phenol- phthalein indicator You titrated the HCl in the Ehrlenmeyer flask with NaOH from the burette 3 times. Your observations were:...
23°C Experiment 1 (Room Temperature): Temp. of Saturated Borax Solution: HCI Concentration: — 100M Trial 1 Volume of borax solution titrated: 5.00 ml Trial 2 5.00 ml Initial Burette Reading 3.20 ml 17.55 ml Final Burette Reading 17.55 ml 31.70 ml Volume of HCl used Moles of HCl used Moles of B.Os(OH), present in titrant Concentration of B.Os(OH), in titrant Concentration of Nain titrant Average Conc. of B.Os(OH)4 in titrant Average Conc. of Nat in titrant Equilibrium Constant Ksp expression...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago