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

Q: how much copper ion remains at equilibrium?

A:

Q: 1) What is the prefix that is used when we are expressing 1/1000 of the unit?

A: Units are measured as metric units based on the International System of Units or SI. The units and…

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: Your patient drank the following liquids for breakfast: 220 ml of orange juice, 180 ml of milk and…

A: Fluid intake is essential for the proper functioning of the body. It helps maintain the balance of…

Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=

A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…

Q: You have a 1000X stock solution of sodium chloride (NaCl). The concentration of NaCl in the stock…

A: Sodium chloride (NaCl) is a salt made of an equal composition of sodium and chloride ions. NaCl is…

Q: Which of the following represents a Buffer solution?

A: Buffer solution can be defined as the solution which resists changes in pH when acid or alkali is…

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: Define buffer.

A: An aqueous solution that comprises of a weak acid and its conjugate base's mixture or a weak base…

Q: What is the pH of an aqueous solution of 7.37x10-2 M potassium hydroxide? PH =

A: Introduction  A solution's pH value indicates how basic or acidic it is. It is based on the quantity…

Q: You have started with 0.37 g of an unknown acid. You follow the procedure outlined in the video…

A: The scale which is helpful for measuring the acidic nature or basic nature of aqueous solutions is…

Q: How will you dilute 100 μl of 25 mg/ml BSA into a final concentration of 2 mg/ml BSA?

A: BSA stands for bovine serum albumin. It has several applications in laboratories. In a microbial…

Q: What is the pH of a solution that has an H¯ concentration of 1.75 x 10° mol/L

A: pH is the measure of the acidity or basicity of a medium.  It is measured as the negative logarithm…

Q: What is the concentration of hydrogen ions [H+] in a solution that has a pH of 2? (write out using…

A: The pH, a standard unit that is used to specify whether an aqueous solution is acidic or basic, is…

Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

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: Calculate the percent by mass of a solution that is prepared by dissolving 385 grams of potassium…

A: Weight percentage %= [Weight of solute]/Weight of solvent+ Weight of solute x 100

Q: Michelle's doctor orders 0.044 g of chlorpromazine, which is used to treat nausea. If the stock…

A: 1 gm is equivalent to 1000 milligrams. Hence,

Q: Convert the following to mL or μl: 700 μl 50 μl (approximately 1 drop of water) 2000 μl 5 ml 3x 106…

A: 1 mL = 1000 µL 1 µL = 0.001 mL

Q: föllowing would dispersion forces be the most important factor in determining physical properties in…

A: The London dispersion forces are defined as the weakest existing intermolecular forces. It is a…

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…

Q: When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the…

A: The physical properties (freezing and boiling point) of a solvent caries n addition of solute. The…

Q: You need to make 20 mL of a 1/100 (10-2) dilution of a crystal violet solution? How much diluting…

A: Crystal violet or gentian violet, also known as methyl violet 10B or hexamethyl pararosaniline…

Q: If a 1.20 L of strawberry wine is 10.5% alcohol by volume, how many ml of the solution is ethanol?

A: Wine is an alcoholic beverage produced from honey, fruits like grapes, pineapple, strawberry, etc.…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: You made a buffer solution by combining 250.0 mL of a 0.20 M sodium acetate solution with 50.0 mL of…

A: Given Values: Volume and concentration of the sodium acetate = 250 m and 0.20 M Volume and…

Q: What mass in grams of dextrose and sodium chloride are required to prepare 250 mL of D10 NS…

A: Introduction: The term molar mass is defined as the mass of one mole of a substance. It is…

Q: A 510 mL IV bag contains a 25% dextrose solution. How much of the original solution must be replaced…

A: During IV transfusion and medicine administration, the concentration of the drug in a solution must…

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: 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: If a liquid contains 3 mg of drug in 40 mL, what is the milligram percent of this solution? Round to…

A: Drug calculation is an essential component of drug administration. As Nurses we need to understand…

Q: A 25 year old male patient requires a 5 mL injection of sodium valproate 200 mg/mL. The displacement…

A: For drugs in colloidal orr powder form, the amount of diluent to be added has to be calculated…

Q: A physician has ordered 5 gr of a medication. It is available in solution form as 20 gr per fl oz.…

A: a) There is 20 gr of medication in 1 fl oz  1 gr medication will be present in 1/20 fl oz So, 5 gr…

Q: How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular…

A: Introduction Solution using the formula :   Molarity=moles of soluteVolume of solution(in L)=nVAlso,…

Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?

A: Hydrobromic acid, HBr is  an extremely strong acid, one that ionizes completely ionizes completely…

Q: Complete the table:   Solute Mass of solute Moles of solute Volume of solution Molarity of…

A: Here molar mass of MgSOu = 120.36 g/mol NaOH = 40 g/mol Ch3 oh = 32 g/mol

Q: s the pH of a 0.0001 M solution of hydrochloric

A: [H+]=0.0001=10-4 pH=-log[H]+ pH=4