How many unique signals would be expected in each?? 13 C | DtPT १0 DEPT 135 *)に) - 3. NH2

Q: A chemistry teacher needs 60 ounces of a solution of 30% hy drochloric acid (HCI) to carry out an…

A: The question is based on the concepts of solutions. we have been given certain solutions.  using…

Q: How Are Solution Concentrations Measured?

A: Concentration of solution defines amount of chemical species such as solute present in per amount of…

Q: Volume solvent (in mL) needed to prepare 1.13 g carbonic acid to make 1.13 M solution.

A:

Q: is calcium carbonate a basic sodium salt?

A: Given: Is calcium carbonate a basic sodium salt?

Q: 7 amu, contai toms contain as an atomiCI

A:

Q: Give an example of a primery standerd solution :Select one a. Hydrochloric acid b. Sodium hydroxide…

A: A primary standard is a standard that is sufficiently accurate such that it is not calibrated by…

Q: 4. Calculate the volume of alcohol to be added to preserve the prescriptio below. Rx Active drug'…

A: The objective of this question is to calculate the volume of alcohol to be added to preserve the…

Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol? Report your answer in standard…

A:

Q: 6. How many mL of 6M HCI solution should be diluted to make 200 mL of a 1.5M solution?

A: For dilute solutions,  M1 x  V1  =  M2  x  V2 where M1 is the initial concentration, V1 is the…

Q: theory of experience Solution Preparation (Solid State)

A: Solution is defined as a mixture of solute and solvent (water). When we mix solute like sugar or…

Q: stion 1 B ALL A C D OH НО. 5 points E Arrange the following compound based on decreasing water…

A: Solubility of organic compound in water is dependent on how they interact with water. Generally…

Q: Which of the following is not a common water quality parameter? A. dissolved oxygen B. biochemical…

A: Water quality assessment is the process of evaluating numerous physical, chemical, and biological…

Q: How many clarification of water. O Three. O Two. O Four.

A: The types of water clarifiers  is given below

Q: What happens to the concentration of a solution when solvent is added to it? Group of answer choices…

A: Concentration of a solution depends upon 2 main components of solution: 1. Solute 2.Solvent   When…

Q: ty of solvent?

A: The elevation in boiling point is directly proportional to Van’t-Hoff factor and molality of the…

Q: How to prepare Saturated brine (NaCl) solution (50 mL)

A: A saturated solution of sodium chloride that means a quantity of sodium chloride solute to would be…

Q: Comparison of Henry's Law. Roult's Law Konwalov Base

A: Answer: Henry's law state that the weight of a gas dissolved by a liquid is proportional to the…

Q: Compute the mass of KI needed to prepare 500 mL of a 0.750 M solution.

A: Molarity=0.750Mvolume=500mLmolar mass of KI=166g/molmass of KI=?

Q: ......Can be used to differentiate between ethanol and phenol (a) Iron IIl chloride solution (b)…

A: Introduction: Ethanol is an aliphatic compound and phenol is an aromatic compound. Ethanol and…

Q: lution 01 0.0500 M NaOH Volumes: Initial 45.16 mL 42.93 mL Final 21.38 mL 18.78 mL Used Average Used…

A: The values as calculated Initial 45.16ml 42.93ml Final 21.38ml 18.78ml Used 23.78ml 24.15ml…

Q: These are samples of about the same size that are carried through an analysis in exactly the same…

A:

Q: Solve the following: a. A lab technician needs to prepare 500 mL of 0.18 M sodium hydroxide…

A: a) we have to calculate mass of NaOH needed in grams  b) we have to calculate the volume of…

Q: Compute the mass of KI needed to prepare 500 mL of a 0.750 M solution. Show your work.

A:

Q: How do I calculate the average value from my value and the two other students value ? my value is…

A:

Q: 2.Boils at temperature higher than the boiling point of pure solvent A.Vapor Pressure B. Boiling…

A:

Q: I think you weren't able to finish the solution?

A:

Q: Part A & b and why in part A with this solution decrease in volume

A: In osmosis, the solvent molecules (water molecules) move across the membrane from the solution…

Q: A B Solubility C

A: Solution is a homogeneous mixture of two or more compounds. The compound which is in small quantity…

Q: how do you what significant figure to round it up after completing the solution

A: Average molecular weight of an atom(M) = f1m1 + f2m2           Where f1 and f2 are fractions of the…

Q: Derive the equivalent expression of ppm in mg/L

A: The objective of the question is to derive the expression where ppm is converted into mg/L

Q: for what purpose is the developing solvent used? Explain in 1-3 sentence only.

A: Developing solvent is the mobile phase used to separate components in chromatography.

Q: Draw a particle diagram for the soluble salt NH4Br. Don’t forget to include water! Then describe in…

A: Answer is explained below.  The particle diagram for the soluble salt NH4Br is as follows:

Q: As the temperature of a solution increases, the solubility of salts____and the solubility of…

A: temperature is one of the factor effecting on solubility if change in temperature solubulity may…

Q: Why do true solutions not show Tyndall effect?

A: Tyndall effect is the dispersion of particles by light and its often used to differentiate the true…

Q: A. Solubility and Salt Formation (Dissociation & Neutralization) Obtain 4 clean test tubes. Test…

A: Acid and base reacts with each other and salt Is firmed

Q: In lab you are required to make 250.0 mL of a 1.1 M NaOH solution. How many grams of NaOH should you…

A:

Q: Write a step by step procedure to make 500ml of a 0.125 lithium oxide solution. Be sure to include…

A: Answer :-  To prepare 500 ml 0.125 M lithium oxide (Li2O) solution, dissolve 1.863 g lithium oxide…

Q: 29) The molecular interaction called “hydrophobic effect" is best described as: A) The attractive…

A: Hydrophobic effect is best described as:

Q: Show solution on how many milligrams there are in 25 nanograms

A: Given -> 25 nanogram

Q: Prepare 100 mL of a 10mM tris solution using a 1M tris stock (include the amount of water in your…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) remains unchanged. i.e,…

Q: PROCEDURE: 1. Design a procedure for preparing 100 mL of 0.50 M sugar solution. 2. Present your…

A: Procedure is in 2 nd step .

Q: 4. How should we test appearance of solutions?

A: We have to tell the test of appearance of the solutions. We know that a solution is a homogeneous…

Q: How much water should be added to 14mL of 15% alcohol solution to reduce the concentration to 7%?

A: Given,         V1 = 14 ml  M1 = 15%        V2 = ?         M2 = 7 %

Q: CH3 Br Name this compound

A: The name of the following compound will be completely based on IUPAC (International Union of Pure…