Q: A 2.5mg/ml solution of ampicillin is available for use, what volume would youadd to 200ml of LB…
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: If the average molar mass of a sample of soybean oil is 1500 g/mol, how many grams of NaOH are…
A: Saponification is the process that involves the conversion of fat, oil, or lipid, into soap and…
Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)
A: Molarity is the number of moles of solute per litre of solution.
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 have a 62% dextrose solution. How many mL will give you 35 g of dextrose?
A: Carbohydrates are molecules that include carbon, hydrogen, and oxygen and have the formula (CH2O)n.…
Q: When 0.2 millimoles of Y are dissolved in 250 ml of water, the resultant solution has an absorbance…
A: Beer-lambert law states that for the given material, the sample concentration and path length are…
Q: What is the pH of a 9.7 × 10⁻⁴ M HClO₄ solution?
A: Hydrogen ion concentration [H+] of a solution is expressed in terms of pH. pH of a solution ranges…
Q: If you were presented with 2 L of a 2 M sucrose stock solution, how many grams of sugar would be in…
A: Molarity: The moles of a solute per liter of a solution is called as molarity (M).
Q: How much sodium formate (HCOONa, 68.0069 g/mol) do you need to add to 400. mL of 1.00 M formic acid…
A: Given: Volume of formic acid = 400. mL pH=3.500 Ka = 1.77 x 10¯4 To calculate: Mass of sodium…
Q: If you have a sugar with a molecular weight of 315 g/mol, how many grams would you need to add to…
A: Given the molecular weight of sugar is 315g/mol. The volume of the solution is 487 mL and its…
Q: 50 mL of 5mM NaCl solution from 1 M NaCl solution
A: Dilution is the process by which we decrease the concentration of a solution. This process is vital…
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: 4. 25.0 mL of an unknown acidic solution was titrated with 42.7 mL of a 0.15 M NaOH solution. What…
A:
Q: Benzalkonium chloride 17% w/v . . . . . qs Water qs . . . . . . . . . . . . . . . . . . .…
A: Question is related to drug calculation. Detailed solution in step 2.
Q: A 500 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 5 mL of 1.00 M KOH. What is…
A: The buffer solution consists of an acid and a salt of the conjugate base of the acid in a solution.…
Q: How many grams of digoxXin (LANOXIN) would be required to make 25,000 tablets each containing 250…
A: This is a word problem where first we have to find out how many micrograms do the 25,000 tablets…
Q: You have 10 mg/ml ethidium bromide solution. If you add 5 µl of this to 50 ml of agarose gel…
A: Gel electrophoresis is a laboratory method for separating DNA molecules depending on their size and…
Q: How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution ata…
A: MW = 203.3 g/mol Concentration = 10 mmol/L Volume = 500 ml solution = 500/100 L = 0.5 L
Q: How many mg of agarose do you need to weigh out to make 75 ml 1.3% gel?
A: Agarose is a naturally occurring polymer that is extracted from seaweed and is made up of monomeric…
Q: What is the pH of a solution that has OH– concentration of 10-9 M?
A: pH is a scale value which is used to determine the acidity or basicity of the solution. The Acidic…
Q: If I have a 20ml stock solution of BSA with a BSA concentration of 0.2%. How can I make two other…
A: The concentration of the stock solution of BSA is 0.2%. Percent solution is the mass of solute…
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: To prepare 500 mL of a 1X TAE buffer solution, we need to mix solution (so 25 times more…
A: TAE is a standard buffer for the preparation and operation of DNA agarose gels. TBE provides…
Q: Prepare a 75 ml of a 10% (w/v) FeCl3 solution. How many grams of FeCl3 must be weighed out and…
A: Given Values: Volume of FeCl3 solution = 75 ml Concentration of the FeCl3 = 10% (w/v)
Q: You need to prepare 1L of a 5×TE stock solution (1×TE buffer:10mM Tris,1mM EDTA).How much of Tris…
A: The mole is used as a unit in the SI system to quantify the amount of substance present. One mole is…
Q: How much agarose powder (g) would you use to make a 50 ml, 1.4% agarose gel?
A: Introduction:- Agarose powder is a linear polysaccharide that forms a gel when it is mixed with…
Q: 10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solution
A: CuSO₄ * 5H₂O solution is copper sulphate pentahydrate solution. The concentration of stock solution…
Q: What is the final volume of NaOH solution prepared from 100.0 mL of 0.500 M NaOH if you wanted the…
A: The solution is a homogenous mixture of two or more components mixed together. It has two…
Q: Which of the following aqueous solutions has the lowest pH: 0.1 M HCl; 0.1 M acetic acid (pKa =…
A: pH is used to specify the acidity or basicity of an aqueous solution. It measures the hydrogen ion…
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 5.9 × 10⁻⁶ M HBr solution?
A: Hydrobromic acid, HBr is an extremely strong acid, one that ionizes completely ionizes completely…
Q: What is the pH of a cleaning solution with a [H3O*] = 7.4 x
A:
Q: A solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene.…
A: Molarity is defined as the moles of a solute per liters of a solution. It is also known as the molar…
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: 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: What is the molarity of a solution with 100 g fructose dissolved in 0.7 L water?
A: Fructose is a carbohydrate or a sugar molecule and is a monosaccharide. It is found mostly in…
Q: How many moles of KBr are there in 89.5 mL of 0.150 M KBr?
A: Molarity can be stated as, it is the number of moles of solute which is dissolved per liter (L) in…
Q: How many grams of sucrose (molecular weight = 342 g mole−1) would you dissolve in water to make a…
A: Molarity = no. of moles of solute / liters of the solution
Q: f a 250 ml solution of ethanol in water is prepared with 4 ml of absolute ethanol (100%), what is…
A: Dilution factor It is defined as the ratio of the initial volume of a solute to the final volume…
Q: Assume that you have a stock solution of 10% SDS and you need to make 150 microliters of 0.5% SDS.…
A: Stock solution (SDS) = 10%Concentration of stock solution = 10g of SDS/ 100ml of water.Similarly,…
Q: How many grams of glucose would you have to weigh out to make 500mls of a 0.5 M solution of glucose?
A: Molarity can be defined as the number of moles of solute per 1000 ml of the solution. Now,…
Q: Why do we need to place the lipid samples under direct heat after adding ethanol in a solubility…
A: The solubility test determines the presence of all lipids as a preliminary test.
Q: If 150ml of polyethylene glycol 400 weighs 74.1g, what is the specific gravity?
A: The division of density of the substance and standard density is called specific gravity. It is also…
Q: The pH of a solution containing 20 mL of 0.120 N NaOH and 35 mL of 0.120 N NaOH is 1.49. True or…
A: Given Values: 20 ml of 0.12 M NaOH and 35 ml of 0.12 M NaOH are mixed together. The pH of the mixed…
Q: what is the pH of a solution with a H+ concentration of 1.44 x 10-3 M
A: pH is the potential of hydrogen.pH is a way of measurement of acidity or alkalinity.It measures the…
Q: if you perform a 1:5 dilution of a 1 M solution , how many parts of the 1 M solution do you use, and…
A: Dilution factor describes ratio of aliquot volume to final volume. It is a notation often used in…
Q: What is the advantage of Benedict’s solution over Fehling’s Solution?
A: Carbohydrates are one of the major components of food intake. They are made up of carbon, hydrogen,…
Q: How many grams of glucose would you need to make 500 mL of an 8% solution?
A: The concentration of the solution is determined by calculating the amount of solute dissolved in a…
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: 5. A 0.01 M solution of HCI will not hurt your skin, yet a 0.1 M solution of HCI will leave a…
A: Hydrochloric acid is a colorless and odorless solution of hydrogen chloride and water with a…
How many grams of copper sulfate would you need to make 5 L of a 7 M copper sulfate solution?
Molarity is defined as the moles of solute per litre of the solution.
Hence, our target is to make the solution of molarity 7M and the volume is 5L.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire amount of dextrose, how many mL of 20% can you make?How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent (m/v) concentration of a 6.0 M NaOH solution?
- How many grams of HCl are needed to make 10 uL of a 0.005g/mL acid solution?You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?Assume that you have a stock solution of 10% SDS and you need to make 150 microliters of 0.5% SDS. What volume of 10% SDS and what volume of water would you use?
- What is the molarity of a solution that contains 50.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol) in 160 mL of solution?Given a BSA stock solution of 4mg/mL how would you prepare a 5 mL sample with a final concentration of 1 mg/mL?given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL of stock and mL of h20
- How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular weight = 58.44 g/mol)What volume of 50 ppm nitrate stock solution would you use to prepare 50 ml of 1ppm, 2 ppm, 3 ppm and 4 ppm nitrate solutions?How many mL of the 1 M glucose stock solution do you need to prepare 100 mL of a 1 mM glucose solution?
