What volume of cefoxitin (50 mg/ml) should be added to 500 ml of tryptone soya broth to yield a solution with a final concentration of 8 µg/ml?

Q: Classify each solution as hypertonic, isotonic, or hypotonic to a red blood cell. Solution A: 3.21%…

A: Isotonic Solution: When the concentration of a solution is equal to other solution then the solution…

Q: How many milliliters of a 12% (v/v) propyl alcohol solution would you need to obtain 4.5 mL of…

A: Volume/volume indicates the amount of solute (in ml) in 100 ml solution.  The concentration is…

Q: Q2/ The molarity and Normality for 500 ml of ?1% NazCO3

A: Molarity is the number of moles of solute present in one liter of solution. It is given by M.…

Q: Calculate the weight of NaOH present in 5.0 mL of a 1.0 % (wt/v) NaOH solution 1.0 g 0.50 g 0.10 g…

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Q: 1. A patient has been admitted to the hospital with severe dehydration due to constant vomiting and…

A: We know that 60% of our body is made up of water. But water alone can't be injected into our veins.…

Q: 1. How many ml of sulphuric acid are required to make 1.5L of a 32% (v/v) solution? 2. How many mls…

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Q: How many milliliters of ethanol are in 500.0 mL of 40.0 % (v/v) ethanol?

A: Percentage by volume of any solution can be determined by dividing volumeof solute by volume of…

Q: Oxycodone hydrochloride oral concentrate solution (OXYFAST) contains 20 mg/1 mL. If a dose of 0.75…

A: Mass of 1mL dose is 20 mg. Mass of 0.75 mL dose can be calculated by multiplying this volume of dose…

Q: How many milliliters of a 25% (m/v) NaOH solution would contain 75 g of NaOH? 75 mL 25 mL 19 mL 3.0…

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Q: How to prepare Saturated brine (NaCl) solution (50 mL)

A: A saturated solution of sodium chloride that means a quantity of sodium chloride solute to would be…

Q: What is the ho larity of う、 mo 900 mL solution with 94.c6 g

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Q: if 0.0125g of caffeine diluted with water in 250 ml volumetric flask give me a solution with a…

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: You have a 10X stock solution and need a 0.1X solution. Which combination of stock solution and…

A: To determine the correct dilution, we need to calculate the concentration of dilute solution from…

Q: What is the concentration, in % (m/v) of a solution containing 15.0 g KCl in 600.0 mL solution?

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Q: 9. How you would prepare a 1:25 dilution (v/v) of the solution prepared above?

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Q: What is the percent by weight (m/m) of a solution that contains 28 g NaCI disssolved in 88 g water?…

A: The percent by weight (m/m) of a solution is calculated as: m/m%=Mass of soluteMass of solution×100%…

Q: In order to prepare 81.0 mL of a 5.31 %m/v NaOH solution, how many grams of NaOH (MM = 40.0) would…

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Q: You have a stock solution that is 18% (m/v). You need 25 mL of a 3% solution. How much of the stock…

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Q: A commercial bleaching solution contains 13.6% (v/v) of sodium hypochlorite, NaOCI. What is the…

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Q: Part B Sodium hydroxide, NaOH, is a strong base that is sometimes used as a cleaning agent since it…

A: Part A  Given :-  Normal saline solution used in IVs is usually around 0.90% m/v or 0.154 M;…

Q: Solution 2: 10 mM ammonium nitrate, 20 mM potassium permanganate, 2% SDS, 25 mg/ml Lysozyme, 1 mM…

A: Using the molarity expression: By putting the values:m = 10 x 10-3x 80.043 x 2.5 gm = 2.001 g

Q: One liter of a 1g/ml NaOH solution has more Na molecules than K molecules in one liter of a 1g/ml…

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Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: What is the m/m% concentration of a 326gram solution of NaoH that contained 75 grams of NaOH in…

A: Given, mass of solution = 326 g Mass of NaOH = 75 g Density of water = 1.0 g/mL mass percent (m/m%)…

Q: how many grams are needed for 25.00 ml of a 5% m / v solution of sodium bicarbonate?

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Q: How to prepare 250 ml of 98% H2So4 solution with a density of 1.98 g / ml? (H2So4: 98 g / mol

A: Volume of solution is 250 mL Density of solution is 1.98 g/mL Thus we calcuate mass of solution from…

Q: How many grams of albumin do you need to make a 0.2% solution in 100mL of water? 33333

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Q: What volume (in mL) of a 28.5 % v/v solution of ethyl alcohol in water would be needed to have a…

A: We have given that  What volume (in mL) of a 28.5 % v/v solution of ethyl alcohol in water would be…

Q: How would a technician make 50 mL of a 2% w/v NaCl solution?

A: We have to make 2% w/v NaCl solution.  Volume of solution should be 50 mL.  To make this solution we…

Q: Xylometazoline hydrochloride paediatric nasal drops are formulated as a 0.05% w/v solution. What…

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Q: 10. A volumetric flask contains 25.0 mL of a 14% m/V sugar solution. If 2.5 mL of this solution is…

A: The % m/V of solution is given 14 % The % m/V is defined as

Q: how much ml of ethanol is needed to make 200ml of an aqueous 15% (v/v) solution?

A: Given :-  % (v/v) of solution = 15%  Volume of solution = 200 mL  To calculate :-  Volume of ethanol…

Q: How many millilitres of a 25% w/v dextrose solution should be dosed to administer 10 g of dextrose?

A: The objective of this question is to determine the volume of a 25% weight/volume dextrose solution…

Q: What is the volume (v/v) percent water in a solution containing 257 mL of ethyl alcohol and enough…

A: Solution -

Q: How many ml of ethenol should be mixed with 225 ml of water to make 4.5% (v/v) mixture

A: Suppose Volume of ethanol is =y ml Volume percent v/v % = [(volume of solute)/(volume of solution)]…

Q: a. How many grams of NaCl would you need to weigh out to make up 150 ml of a solution? b. You will…

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