A 1–fluid ounce (29.573 mL) solution contains 4.5 grains (291.60 mg) of silver nitrate. How much sodium nitrate must be added to this solution to make it isotonic with nasal fluid?

Q: The electrode of a pH meter is placed in a sample of urine, and a reading of 7.9 is obtained. Is the…

A: pH is the negative log of the 10th base of the H+ ion concentration.

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: The density of a substance is 3.596 g/ml and has a weight of 32g. What is the volume?

A: Volume is defined as the total space occupied by a substance. Density can be defined as the…

Q: Why does blood cell become clear in distilled water?

A: There is a semi-permeable membrane which decides the entry and exit of the molecules from the cell,…

Q: What volume of 10X TBE buffer should you use to make 100mL of 1X TBE buffer? 10mL 1mL 0.1mL 100mL

A: TBE buffer stands for Tris-Borate-EDTA buffer. It is used for both agarose and polyacrylamide gel…

Q: How many grams is one mole of potassium chloride KCI?

A: Moles : unit of concentration  Mole concept is used to convert mass and number of particles. 1 mole…

Q: What would happen to the pH of your soap if you washed the precipitated soap in twice as much volume…

A: pH is the expression of negative logarithm of hydrogen ion concentration in a solute or solvent. pH…

Q: What is meant by the term “two-dimensional fluid”?

A: Answer: Introduction: In 1972, Singer and Nicolson proposed the fluid mosaic model of the plasma…

Q: What is the approximate concentration of the solution in mol\kg, if 1 mol of solute particles raises…

A: Boiling point elevation describes the phenomenon that the boiling point of a liquid will be higher…

Q: What is 80.1ml in liquid volume?

A: The volume of an object is defined as the 3-D (three-dimensional space) present within a closed…

Q: What is the isoelectric point of AA? [Select]

A: Isoelectric point (pI) of amino acid: Isoelectric point is the pH at which amino acid shows no…

Q: The vapour pressure of water at blood temperature is 47 Torr. What is the partial pressure of dry…

A: Vapour pressure is a measure of the tendency of a material to change into the gaseous or vapour…

Q: What happens when a strong acid such as HBr is dissolved in water?

A: An acid is a molecule that releases hydrogen ions in a solution and when the solution is of water,…

Q: What is the relationship betweenpKa and the useful range of a buffer?

A: The strength of an acid in a solution can be expressed in terms of the acid dissociation constant…

Q: When measuring the volume of a liquid in a graduated cylinder, at which point should the measurement…

A: A graduated cylinder is used to meausre the volume of liquids. Liquids that are to be measured can…

Q: What percentage of the 15% saline solution is water?

A: A solution is a homogenous mixture of a solute and solvent. The solvent is the major part of the…

Q: our patient drank the following liquids for breakfast;220 ml of orange juice,180 ml of milk and 150…

A: Nutrition is a process in which an organism uses food to support its life as food provides energy…

Q: If the equation produces from data is y = 0.300x - 0.857 and the absorbance for the unknown is…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: Which of the following is the weakest acid? Select one: O a. pka=4.02 O b. pka=4.76 O c. pka=3.55 O…

A: The stronger the acid and the weaker the base will be, the bigger the value of Ka. The base will be…

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: why is the cp of solids lower than that of liquids

A: Cp is the specific heat. Specific heat of a solid or liquid is the amount of heat that raises the…

Q: If you had measured the absorbances of your unknown in test tubes that were half the diameter of the…

A: Proteins are composed of twenty standard amino acids that are attached together via peptide bonds.…

Q: Which of the following ionizes completely in solution and is considered to be a strong acid? Select…

A: Acid  Acid are those compounds which give hydrogen ion when dissolved in water.

Q: What is 10.2ml in liquid volume?

A: When measuring the volume of a liquid, sometimes referred to as capacity, the units litres (L) and…

Q: What is the pH of the solution?

A: pH is the negative logarithm of the concentration of hydrogen ion (H+ )  in a liquid.it is used to…

Q: What is 4.5ml in liquid volume?

A: The measurement of the exact amount of space occupied by a liquid in a standard container is termed…

Q: What happens to pH of buffer solutions when small amounts of acid and base is added?

A: A buffer is a solution containing a strong acid and its conjugate base or a weak bases and its…

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: Which of the following combinations would be the best choice to buffer the pH of a solution at…

A: Ans- NaH2PO4 and Na2HPO4 would be the best choice to buffer the pH of a solution because it has pka…

Q: What happens when hydrochloric acid is dissolved in water?

A: Hydrochloric acid is a strong acid, on dilution in water the hydrochloric acid will dissociate into…

Q: 2.2 Assuming that the final volume of the solution after the titration is exactly 5 mL, determine…

A: Molarity(M) = [moles of solute(n)]÷[litres of solution (v)] Atomic mass of sulpher= 32+(16×4) =96.…

Q: What is the pH of a solution of 100 ml of 0.01 M H3PO4 and 100 ml of 0.01 M Na3PO4?

A: A buffer is an aqueous solution containing a weak acid and its conjugate base or a weak base and its…

Q: If 10g of salt was mixed in 1L water. What percent solution will this be.

A: According to the question,Mass of solute = 10 grams = 10gVolume of water = 1L = 1000 mili Liters…

Q: If a patient is prescribed 300 mg of potassium chloride, what is the corresponding milliequivalent?

A: Drug calculation is a important aspect in calculating the dose based on the BMI ,BSA ,age and body…

Q: What is the effect of adding a small amount of a strong acid or strong base to the acidity of a…

A: Acids are substances that are capable of donating hydrogen to other substances. Acids are also…

Q: Why does a lower salinity of water increase the solubility of gas?

A: Factors which influence the  solubility of a gas in water are as follows:  Temperature decreases…

Q: Stearic acid is insoluble in water, and sodium stearate (a soap) is soluble. What causes the…

A: Lipids are macrobiomolecule that are made of hydrocarbons and is insoluble in non-polar solvents.

Q: How many grams of HCl are needed to make 10 uL of a 0.005g/mL acid solution?

A: Given Values: Volume of HCl = 10 μl Concentration of HCl = 0.005 gml

Q: Calculate the pH of the solution that results following addition of 10 mL of 1 M NaOH to 40 mL of 1…

A: Henderson-Hasselbalch equation gives the pH of the solution and relates to the concentration of…

Q: What is the total anion concentration (in mEq/L) of a solution that contains 5.0 mEq/L Na+ , 12.0…

A: Introduction: The ionic concentration is the mole ratio between the dissolved substance and the…

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: What is the difference between a tincture and an aqueous solution?

A: Given: Explain the difference between a tincture and an aqueous solution

Q: How do you convert ml to liquid volume?

A: Liquid volume is the volume of the liquid or the space inside of the container or how much liquid a…

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: How many mL of a ½ strength magnesium sulfate solution will contain 10 grams of magnesium sulfate?

A: Drug dose is the amount of drug in mg which is needed to be administered into the patient  Strength…

Q: If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the…

A: Given Values: Weight of NaOH = 9 gVolume  of the water to be mixed with 9 g NaOH= 90 ml

Q: Explain the difference in the melting points of the linoleic acid and linolenic acid:

A: The fatty acids are the compounds that are also present in the cell membranes and allow for the…

Q: What does “1 Millimolar” (1mM) mean

A: Milli is a suffix in measurement meaning 1/1000 or 10^-3.