4. What is the concentration of the solution prepared by diluting 250µl of ampicillin (5mg/ml) to a final volume of 1ml?

Q: A 250-mL bottle of mouthwash contains 21 mL of ethanol. What is the volume/volume percent…

A:

Q: Percent concentration of 40 grams NaOH in 2 liters of solution

A: Given-> Weight of NaOH = 40 gm Volume = 2 L = 2000 ml (1 L = 1000 ml)

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

A:

Q: Calculate the molar concentration of the 50 mg/ml amoxicillin solution.

A:

Q: How much 32% (w/w) HCl should be diluted with deionized water to produce 100.0 mL of 5.0 M HCl…

A:

Q: You need to make a large quantity of a 5% solution ofHCl but have only 25 mL HCl. What volume of…

A: The solution is a mixture in which the lowest amount (solute) is dissolved or distributed in a high…

Q: 4. How to prepare a 1:10 dilution of serum to saline?

A: By simple dilution we will prepare 1:10 dilution of serum to saline  Process - simple dilution  1:10…

Q: How do you prepare a 5 M of CaC2O4 in a 300 mL solution?

A:

Q: 8.) What is the concentration of a solution with a volume of 9mL that contains 29 of iron (1)…

A: Weight of Iron(III)oxide = 2 g  Volume of the solution= 9 mL  We have to calculate the concentration…

Q: How many grams of 42% (MgO equivalent) magnesium carbonate are required to prepare 14 liters of…

A: Let y grams of magnesium carbonate is required. Mass of MgO = 42y100 g Mass of MgO in 14 L solution=…

Q: The concentration of Cl- ion in blood is approximately 100 mEq/L. How many milliliters of blood…

A: Given, The concentration of Cl- ion in the blood is 100 mEq/L. The molar mass of chlorine is 35.45…

Q: 11) How much 0.05 M HCl solution can be made by diluting 250 mL of 10 M HCI?

A: Dilution decreases the concentration of the solution that is same moles are distributed over the…

Q: A 10 ml solution of 3 M HC1 is diluted to 50mL. what is the concentration of the 50mL solution?

A: Given information: Concentration of solution 1 = 3 M Volume of solution 1 =10 ml Volume of solution…

Q: 100mg of Zn Cl2 is added to 1L, how many mg/L of Cl- is this?

A:

Q: If 0.100 mol glucose (C6H12O6) is dissolved in 0.100 L solution, what will be the concentration of…

A:

Q: You need to prepare a solution of glycerol ( CH2OH-CHOH-CH2OH) in 100.0 g of water, so the…

A: In this ques, we have given a solution of glycerol and water, we have to calculate the mass of…

Q: Average Water Hardness (mg CaCO, / ml water sample) Average Water Hardness (mg CaCO3 / L water…

A: Given the hardness of water sample (from three trials), average value can be calculated.

Q: A serum calcium concentration is 9.5 mg/dl. Express this in meq/L.

A: Serum calcium concentration = 9.5 mg/dl. serum calcium concentration (in meq/L ) = ?

Q: What volume of 0.5 M H2SO4 solution is needed to neutralize 40,0 mL of a 0.25 M NaOH solution? O…

A: Given the concentration of H2SO4 and volume and concentration of NaOH solution. we are asked to…

Q: A 350 mL bottle of mouthwash contains 30 mL of ethanol. What is the volume/volume percent…

A:

Q: 14. The concentration of the original unknown protein solution is determined to be 0.2173 mg/mL.…

A: Given, Concentration of the protein solution = 0.2173 mg/mL Concentration of the protein solution =…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

A:

Q: Prepare 250 mL of 0.1 M NaOH using the 1.0 M NaOH. How many mL of 1.0 M NaOH will be needed?

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: How much 0.045 M HCl solution can be made by diluting 250 mL of 12 M HCl?

A: First we will calculate the number of moles of HCl.Number of moles = Molarity × VolumeNumber of…

Q: How

A: Use the dilution formula. C₁V₁ = C₂V₂

Q: How many kg of water must be added to 20.0 g of NaOH to make a 0.30 m NaOH solution? The molar mass…

A: Given mass of NaOH = 20.0 g  Molality of NaOH = 0.30 m  Molar mass of NaOH = 40.00 g/mol

Q: . A true solution is homogenous and said to have only one phase. What is a “phase”? 2. Do you think…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What volume of a 3 M H2SO4 solution is required to just neutralize 10 mL of a 4.00% solution of…

A: To determine the volume of 3.0 M H2SO4 solution:4% solution of borax means there is 4 g of borax in…

Q: A Sodium concentration in Horse Urine of more than 20 mEq of Sodium per 1 Liter of Horse Urine is…

A: Introduction: Sodium with atomic symbol Na belongs to group one elements. It's an alkali metal with…

Q: What volume of a 4.00 × 10-4 M FeSCN2+ solution would be needed to prepare 50.0 mL of a 7.20 × 10-5…

A: Here, we have to find the volume of a 4.00×10-4 M FeSCN2+ solution that would be required to prepare…

Q: Calculate the exact concentration of the stock protein solution in (mg / mL) based on the exact mass…

A: Concentration of stock solution can be expressed in terms of mass and volume (mg/mL).