How many grams of NaOH are needed to make 50 mL of a 0.02 g/mL NaOH solution?  How many grams of HCl are needed to make 10 uL of a 0.005g/mL acid solution? How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution? 12 grams of glucose will make how many mL of a 0.5 g/mL solution? If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the solution?

Q: A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to…

A: Molarity of the solution is defined as the mole of solute, which is dissolved in the per (L) liter…

Q: You are asked to prepare 20 mL of a 50 mg/mL drug dilution from a stog of 2 g/5 mL. How many…

A: Here, We need to calculate the milliliter of dilutant needed, for that purpose stock solution…

Q: A base is added to a 0.050 M solution of MnCl2, raising the pH gradually. Calculate the pH of the…

A:

Q: What is the strength (mg/mL) of promethazine hydrochloride in the following compound? How many…

A: Promethazine hydrochloride is the first generation antihistamine. It is used to treat allergies,…

Q: Prepare 200 ml of a 0.125 M stock of NaCl from a 1 M concentrated stock solution of NaCl.

A: An artificial nutrient medium contains nutritional components like sugars, salts, amino acids, etc.…

Q: 9. 3 μL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following…

A: The objective of this question is to calculate various parameters related to a solution of a…

Q: A beaker with 1.40x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The…

A:

Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M

A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…

Q: You have a 0.5M stock solution of NaCl (formula weight: 58.4 g/mole), a 0.15M stock solution of…

A: Introduction   The standard concentration of the solution is usually determined in "M", which is…

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: How would you dilute 0.1 M boric acid in 1:10 ratio to 0.01M?

A: Given Values: Initial Conc. of boric acid = 0.1 M Final Conc. of boric acid = 0.01 M Dilution = 110…

Q: You want to make a solution that is 1x TE AND 10% glycerol in the same solution. You have the…

A: A percentage solution can be defined as the amount of volume of a particular chemical compound that…

Q: You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarose do you…

A: Agarose is a polysaccharide extracted from seaweed that, when mixed with water, forms a gel-like…

Q: If an aqueous solution has a hydroxyl ion concentration of 1 x 10-6 M, what is the concentration of…

A: Water dissociates into hydrogen ions and hydroxyl ions and at neutral pH (pH =7) the numbers of…

Q: When 2.43 g of a nonelectrolyte solute is dissolved in water to make 435 mL of solution at 25 °C,…

A: The compounds which will not ionize in any solution are called nonelectrolytes. The electricity will…

Q: Explain how do you prepare a 25-mL solution of 1 mg/mL cholesterol stock?

A: Given Values: Volume = 25 ml Concentration = 1 mg/ml

Q: Provided Stock solution of Coomassie Blue: 0.500 mg/mL Volume of 0.500 mg/ml Solution Dilution to ID…

A: For calculating volume and concentration,  we should follow the formula V1S1 = V2S2where, V1 =…

Q: How many mL of the 1 M glucose stock solution do you need to prepare 100 mL of a 1 mM glucose…

A: After dilution, the dilution factor represents the number of times the original concentrated stock…

Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…

A: When we describe a concentration as a percentage without specifying the type of formula, we imply…

Q: How much water must be added to 300 mL of an aqueous solution of 0.2 M acetic acid in order to…

A: Given : 0.2 M acetic acid solution , volume 300 ml Let C1 = 0.2 M C2 = concentration of acetic acid…

Q: A chemist combined chloroform (CHCI,) and acetone (C, H,O) to create a solution where the mole…

A: Hi, Thanks For Your Question.  Ans :

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: A chemist is performing a precipitation titration on a 1.00 L sample containing an unknown…

A: Titration is the process, in which the exact concentration of the unknown solution can be used to…

Q: You need to make a protein buffer of: 100 mM NaCl ⚫ 25 mM Tris 8 • • 5% w/v glycerol 2 mM DTT Your…

A: In order to calculate how much of each component we should use to get the required buffer, we need…

Q: 3 mL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following…

A: Calculations for a substrate solution's dilution are related to the subject addressed above. A…

Q: The concentration of the conjugate base in 100 mL of 50 mM CH3COOH/CH3COO- (pKa = 4.76) at pH 5.00…

A: Step 1: Calculation of the concentration of the conjugate base (CH3COO⁻) at pH 5.00.The…

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: 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: You have a 15% (m/v) solution put any units in your answer, ju

A: Dilution Equation M1 V1 = M2  V2

Q: Your supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock…

A: Given Values: Concentration of the starch stock solution = 5 % The volume of the final starch…

Q: How many milliliters of 6M NaCl are required to prepare 3000 ml of 0.002 M NaCl?

A: The problem is asking us to find out how many milliliters of a 6M (Molar) NaCl (Sodium Chloride)…

Q: What is the pH of a buffer that contains 0.9 M ammonia and 0.3 M ammonium ion? (Ka for ammonium ion…

A: The objective of this question is to calculate the pH of a buffer solution containing ammonia and…

Q: How many grams of sodium chloride are needed to make 0.60L of 2.3M sodium chloride solution

A: The concentration of a solution is expressed in molarity. Molarity is defined as the number of moles…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

Q: How much water would need to be added to 736 mL of a 3.15 M HCl solution to make a 0.78 M solution?

A:

Q: You are asked to prepare HEPES buffered saline with the following constituents: НЕРES 10mM KCI 5mM…

A: The concentration of a solution is expressed in terms of the ratio of the amount of solute present…

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

A: KEY WORDS :- Formula for vial required = Dose required to prepareDose in hand×quantity

Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Titration is a common laboratory method of quantitative chemical analysis to determine the…

Q: How do you make a stock solution of 1000 ppm using a solution which Has a density of 0.842 g/mL?

A: Introduction : To prepare a stock solution of 1000ppm using a solution with a density of 0.842g/𝑚L,…

Q: The order is for Dilantin 200 mg, PO, qd. You have on hand Dilantin 250 mg per 5 ml. How many…

A: To calculate the required milliliters, we need to use the following formula: (Number of milligrams…

Q: B. You will need approximately 1 ml of the 100 µg/ml bromophenol blue (which is your most…

A: The stock concentration is 1mg/ml.Working solution concentration is 100 ug/ml. As both are two…

Q: A 100.0 mL sample of 0.200 M aqueous hydrochloric acid is added to 100.0 ml of 0.200 M aqueous…

A: Step 1: Given the information:Two solutions are mixed:HCl(aq) + NH3(aq) → NH4Cl(aq)Volume of…

Q: What kind of buffer would you make with a optimal activity at ph 4.30?

A: A buffer is defined as an aqueous solution that has a mixture of a weak acid and its conjugate base…

Q: How many mL of 13x stock solution would you need to make 387 mL of 1x PBS. Report your answer to 1…

A: Concentration of a solution can be changed by the changing the amount of solvent added. The…

Q: How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?

A: Given Values: Volume = 1 L  Concentration of CuSO4 = 8 gL