Ammonia-containing window cleaners are considered pH-neutral substances true or false?

Q: What is the percentage concentration of HNO3 if 25grams of HNO3 is dissolved in enough water to make…

A: When the solute in a solution is solid, then the concentration express is a mass percent…

Q: Why do red blood cells swell up and burst when placed in pure water?

A: A red blood cell will swell and undergo hemolysis.

Q: What is the purpose of doing the silver nitrate test? Write the chemical equation involved here

A: Introduction:  Silver nitrate is an inorganic compound and its formula is AgNO3 with a molar mass…

Q: If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1…

A: A colony-forming unit is the number of viable or alive cells in cell suspension that have the…

Q: What is the ideal pH range?

A: higher concentrations of H+ ions

Q: Barium sulfate is often used as a medical diagnostic tracer, however, it can only be administered…

A: Barium sulfate is white or yellowish odorless powder or crystals. The Melting point is 1580°C and a…

Q: Alcohol can be separated from other volatiles in bloodand quantitated by the technique of…

A: Blood is the primary transport medium of the body of a human being. It transports several components…

Q: The pH of human blood is buffered at 7.35 to 7.45. If the [OH-] of the blood sample is 6.3x10-6,…

A: Appropriate pH levels in and around living organisms and cells are essential for life on Earth. A pH…

Q: The doctor ordered Claforan 1400mg IM every 12 hours.  The directions for the 2 gm vial state:  Add…

A: The doctor ordered Claforan 1400mg IM every 12 hours.  The directions for the 2 gm vial state:  Add…

Q: Using 25 µL of a patient's serum, how much diluent would be needed to create a 1:2 dilution? ul

A: Firstly,  we convert the 25ul into ml . i.e. 25 ul = 0.03 ml  Then, there will be the multiplication…

Q: What is the approximate pH of a solution labeled 6 x 10-5 M HBr? * 4.2 O 4.5 5.8 O 9.8 O 8.2

A: pH is the measure of the strength of H+ ion or Hydronium ions in solution. pOH is…

Q: When conducting a flame test for sodium iodide, is the result positive or negative?

A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…

Q: Plain soaps have what level of germicidal activity?

A: This question is based on action of the plain soap.

Q: How many grams are in 1 mL for the following solution?   NS _________ this is the whole question

A: NS or Normal saline: It is nothing but a mixture of sodium chloride (NaCl) and water that is…

Q: Why does buffers is significant inside a human body?

A: A buffer system is a solution that resists a change in pH when acids or bases are added to it.…

Q: 75 g of impure sodium hydroxide is added to 250 cm3 of water. 10 cm3 of this impure solution is…

A: In order to find out the percentage purity of a compound, the molarity of the compound is…

Q: Elemental gold is being recovered by electrodeposition from a solution with tiny amounts of Au(III).…

A: Gold is recovered by many process like cynide process etc.

Q: Which of the following reagents will you include in the blank (negative control) for this…

A: A variable is any quantity we can measure. In any experiment there are three variables:…

Q: ? How many milliliters will you administer?

A: A drug is a chemical compound that is administered in the body to combat a disease. It is important…

Q: 00 ml total solution, the resulting stren 5..?

A: A pharmaceutical medicine is a chemical substance that causes a biological or physiological effect…

Q: A 2.5mg/ml solution of ampicillin is available for use, what volume would you add to 200ml of LB…

A: Ampicillin is a broad spectrum semi-synthetic derivative of penicillin. It is active against both…

Q: Ninhydrin test for amino acids or protein requires that sample test solution should be at initially…

A: Proteins are one of the essential macronutrients for a human body. The building blocks of proteins…

Q: A patient is prescribed 15mmol of potassium chloride injection. The ampoule contains 20mmol in 10ml.…

A: Given data    A 10 ml ampule contains = 20 mmol

Q: What is the final concentration if 239mL of a 3.9M glucose solution is diluted to a volume of 842mL?

A: To solve this we will use the formula - M1xV1= M2xV2

Q: 12- 10- 8- 6- 4- 2- 0- 20 40 60 80 Volume of NaOH (mL) Hd

A: The titration curve is the graphical representation of pH. The pH is greater than 7 for weak acid…

Q: you have an order to administer 100 mg of Ceclor to a patient you have a bottle of liquid suspension…

A: Performing drug dsage calculation is an essential skill in health care. Health-care professionals…

Q: A 5 ml vial of the hydrocortisone is having 2% (w/v) concentration. How many vials will be required,…

A: Given, 5 ml vial of the hydrocortisone is having 2% (w/v) concentration 2% (w/v)= 2g hydrocortisone…

Q: If an unknown solution of cobalt (II) chloride has an absorbance of 0.79, what is its concentration?…

A: The Beer’s Law plot is a graphical representation of the relationship between the absorbance and the…

Q: Given a BSA stock solution of 4mg/mL how would you prepare a 5 mL sample with a final concentration…

A: The following formula is used to find the volume required to prepare a 5 mL sample with a final…

Q: What is the pH of a cleaning solution with a [H3O*] = 7.4 x

A:

Q: How would you classify a patient with the following laboratory values? Cr 0.9 mg/dl, BUN 51 mg/dl.,…

A: In azotemia, BUN, creatinine in blood and other secondary waste products are increased in body.…

Q: A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What…

A: Hydrochloric acid is the strongest base that will react with potassium hydroxide to produce water…

Q: How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent…

A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…

Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…

Q: What are Alu elements? How can they adversely affect human health?

A: An Alu element is a short stretch of DNA originally characterized by the action of the Arthrobacter…

Q: How does a nitrate addition prevent sulfide souring ofcrude oil?

A: The presence of a higher concentration of sulfur in crude oil defines the sour crude oil. It is an…

Q: how many milliliters of the stock antibiotic solution should be added to an infusion bag of D5W?

A: Dose == amount of drug / time  Concentration of drug = amount of drug / volume  D5W is intravenous…

Q: f there is a stock solution of 2000 (ug/ml) , is it possible to use SERIAL DILUTION to generate the…

A: The stock solutions are the concentrated solutions which can be used to prepare the solutions of…

Q: Why is picric acid used for burns? Explain the principle involved

A: Cells are the basis of life. Cells give rise to tissues and organs. Organs that work towards the…

Q: If there is an increase in the hydrogen ion concentration from 38 nmol.l-1 to 82 nmol.l-1, what does…

A: Acids and Bases:Acids: These are solutions that contain many hydrogen ions and it is represented as…

Q: FREE RESIDUAL CHLORINE IS 1. Chloramide compounds 2. hypochlorous or chloric acid 3. haloform…

A: Introduction :- The quantity of chlorine that remains in the water after a given period or contact…

Q: alanine that would exist at the pH indicated below.

A:

Q: carbonic anhydride

A: Carbonic anhydride It is the acidic oxide of carbonic acid. It is colourless, odourless and…

Q: In excess of alkaloidal reagent, did the precipitate formed dissolve or not? What is  the evidence…

A: Alkaloid reagents such as tannic acid, potassium iodide, potassium ferrocyanide, or mercuric iodide…

Q: If 4 mL of  1 M NaOH is added to 100 mL buffer, would it still be a usable buffer according to the…

A: A buffer can be destroyed by adding either a strong acid or a strong base in a large amount. The…

Q: If skin cleaning solution is to be diluted 1 teaspoon to 64 ounces of water, how much water would…

A: GivenOne teaspoon of skin cleaning solution is diluted to 64 ounces of water.To findWater needed to…

Q: What is the role of indicator in determining if the substance is acid or base? (Note that the…

A: pH indicators are compounds which are natural dye. Those indicate if the solution is acidic or basic…

Q: Approximately how many fluid ounces of sterile water are needed to compound this solution?

A: It has been mentioned that the sterile water needed to prepare this solution is 100 ml. The question…

Q: Why is the thick blood smear left unfixed in methanol?

A:

Q: If a more concentrated initial solution bicarbonate was used in beaker C, would it require more or…

A: In a neutralization reaction, number of moles acid and bases are always equal at neutralization…