Use the graph below to determine the best wavelength to use in spectrophotometric measurements for Species C. Absorbance 300 250 200 150 100 50 0 600 nm 400 nm O 550 nm O 775 nm 200 Absorbance of three species at varying wavelengths 300 400 -Species A 500 600 Wavelength (nm) -Species B 700 800 -Species C 900 1000

Q: Write a synthesis for this Organic Chemistry Reaction.

A: cyclohexane-1,4-dione undergoes aldol condensation with formaldehyde in the presence of strong base…

Q: How to determine the difference between primary , secondary and tertiary alcohol in the laboratory

A:

Q: Part IlI: Determination of Saturated Solutions

A:

Q: 0.4ml to minims

A: ml and minims are unit of Volume   1 ml = 16.2307 minims 0.4 ml =0.4 × 16.2307 minims0.4 ml =6.49228…

Q: If  niferex liquid solution provides 10 mg of elemental iron in 1 teasepoonful, how many mL of…

A: We need to calculate mL of solution required to provide 55 mg of elemental iron.

Q: I have to make a solution that contains Toluene, ethyl acetate, and glacial acetic acid With a ratio…

A: Given, A solution that contains Toluene, ethyl acetate, and glacial acetic acid With a ratio of…

Q: If you are in the lab and report "Susie's Tylenol level of 300 \mu g/mL, How many ng/mL is this?…

A: If you have any problem let me know in comment box thankyou.

Q: Pure aspirin has a melting point of 135-136 °C. Before the melting point was determined - if the…

A: Melting point is the temperature at which a substance changes from a solid to a liquid phase at…

Q: Describe the cleansing action of soap and detergent

A: cleansing action of both soaps and detergents results from their ability to lower the surface…

Q: Arterial fluid is what is in the bottle, arterial solution is the mixture in the reservoir. True

A:

Q: Calculate the average daily intake of chlorobenzene. The concentration is 4.09E-8 mg/m^3, assume…

A: We are going to break down the components in order to compute the average daily intake of…

Q: diffrentiate between oil in water emulsion and water in oil emulsion.

A: Dispersed phase and dispersion medium are liquids in the colloidal systems. Such liquid systems are…

Q: Table 1: Absorbance of X solution (575 nm)     Concentration (mg/ml)   Absorbance 0.025…

A: The relation between absorbance and concentration can be given as follows; A = e C l Where, A =…

Q: what concentration does surfactant polyoxyethylene sorbitan monolaurate have to make a measurement…

A: Surfactant polyoxyethylene sorbitan monolaurate, commonly known as polysorbate 20, is a versatile…

Q: Give the standard deviation of these three molaritys.    0.0366 0.0373 0.0370

A: Standard deviation:  Standard deviation tell about the variability(error) in data set. If standard…

Q: Is gel hand sanitizer classified as a solution?

A: In chemistry, a solution is a homogeneous mixture composed of two or more substances. In such a…

Q: Flowchart example of Recrystallization

A: Recrystallization is one of the methods used for the purification of a sample. The basic principle…

Q: Concentration of Reagents (NH4)2S2O8 KI Na₂S2O3 0.25 M 0.22 M 0.19 M Volumes of Solutions S₂082 (mL)…

A: Concentration of (NH4)2S2O8 = 0.25 MConcentration of KI = 0.22 MConcentration of Na2S2O3 = 0.19…

Q: Which of the following best explains why a beam of light passing through a soap solution can be…

A:

Q: Topic: Pricing the Prescription  1. Solve the Professional fee and Mark up % 2. What is the…

A: The objective of this question is to show the determining the professional fee, the markup…

Q: want to see the solution in a tablula form

A: we need to find the limiting reagent for a given reaction.

Q: Which of the following methods is used to determine "dissolved metals" in a water sample? O Digest…

A: Effluents from industries like textile, leather, dyes, paints, electroplating, galvanizing and other…

Q: Write a conclusion based on the result above

A: A question based on Beer-Lambert law, which is to be accomplished.

Q: You are asked to identify three (3) solutions, one of which is linseed oil, another is coconut oil…

A: Detection of oils and fats  The presence of fat is proven if the sample is miscible with chloroform…

Q: How to separate water and alcohol using salt? What ks polydensity bottle?

A: Sodium chloride (salt ) dissolved well in water, but poorly in alcohol. When salt is added to the…

Q: Would you be able to check if water is hard by using a detergent?

A: Detergent is a long hydrocarbon chain of an aliphatic carboxylic acid having cleansing properties in…

Q: 1. What are the differences between preparing soap and detergent? 2. What will be the best thing to…

A:

Q: • Stock solution: 1000 mg/L Target sample concentrations: 50-400 mg/L • Create a 5-point standard…

A: Given that, The concentration of the stock solution is C1 = 1000 mg/L. The volume of the final…

Q: The density of the first fraction collected would be expected to be close to a value of ______.…

A:

Q: How many kilograms (kg) of 20-20-20 soluble fertilizers should you add to a 50 gallon concentrated…

A: 20-20-20 fertilizer refers to a NPK fertilizer having N:P:K = 20:20:20.

Q: How much of the preservative is needed to prepare a 120-mL preparation of Aluminum hydroxide gel…

A:

Q: A…

A:

Q: Give the name of material which is used for water purification.

A: Removal of unwanted chemicals, biological contaminants, suspended solids and gases from raw water to…

Q: Test tube # 1 2 3 4 6 V of DI H₂O V of Pb2+ (aq) 1.00 ml 2.00 ml 3.00 ml 4.00 ml 5.50 ml 6.30 ml…

A:

Q: Information about a Water Sampler

A:

Q: Dissolution 0.01 M HCI Distilled H20 Concentration (mg/ml) Total amount Concentration (mg/ml) Time A…

A: Dissolution is the process where a solute in gaseous, liquid, or solid phase dissolves in a solvent…

Q: Concentration of TZ stock solution (μMμM) 42.06

A: Given Data:Concentration of TZ stock solution (μM)42.06To determine:

Q: 1) Calculate the volume of the concentrated sulfuric acid required. 2) What precautions are required…

A: Above equation is necessary for calculate the volume of concentrat H2SO4

Q: “Oh man, our supply person didn’t put in our order for 70% alcohol. All we have are liters of 100%…

A: Given that, alcohol with concentration of 100% and 90%. we have to make different concentration of…

Q: SAMPLE: CANE VINEGAR % acidity in label: 4.5% %purity of KHP: 99.80% FORMULA WEIGHT of KHP: 204.22…

A: Molarity and average molarity of NaOH, acetic acid and carbonic acid calculated as given below.

Q: Most of us have had a glass of water from a Brita® pitcher. What is inside of a Brita® filter…

A: The Brita filter cartridge is composed of copolymer of styrene methyl methacrylate.

Q: In tablet formulation, what is the importance of using Avicel® PH grades as excipient?

A: Avicel is the trade name of microcrystalline cellulose used in tableting as a flow aid, compression…

Q: What is the molar extinction coefficient (e) for o-nitrophenol at max? Explain how you arrived at…

A: To determine Molar extinction coefficient. Given data,