One needs to make 2 L of a 0.15M solution of NaOH, starting with a 10%(w/v) solution of NaOH. The volume of 10%(w/v) NaOH needed is:

Q: How many grams of ammonium chloride (NH4Cl) are there in 575 mL of a 0.400% (m/v) solution of NH4Cl?

A: Volume=575mL m/v solution=0.400%

Q: What volume of a 18% (v/v) hydrochloric acid solution is diluted to produce 350 mL of a 5% (v/v)…

A: Given, initial Concentration befor dilution , C1 = 18%  After dilution, C2 .  = 5%  We need to…

Q: how manl mL of 40.0 (w/v)% atenolol in water is required to prepare a 10.0 mL solution of 8.0 (w/v)%…

A: To find - mL of 40.0 (w/v)% atenolol in water is required

Q: A bottle of vodka labeled “80 proof” contains 40.% (v/v) ethanol in water. How many mL of ethanol…

A: % v/v is defined as the volume of solute present in 100 mL of the solution. 40 % v/v implies 40 mL…

Q: How many mL of ethanol are contained in a 40.-mL portion of a mouthwash that has 6.2% (v/v) of…

A: We have to calculate the volume of ethanol.

Q: 20 g of Na2SO4 is dissolved in 60 g in water. What is the %w/w,

A:

Q: 31. How many liters of a mouthwash can be prepared from 100 mL of cinnamon flavor if its…

A: % v/v concentration is defined as the milliliters mL of solute dissolved in 100 mL of solution…

Q: How many grams of ammonium chloride (NH4Cl) are there in 575 mL of a 0.400% (m/v) solution of NH4Cl?

A: Given: Volume of solution = 575 mL Percentage composition of solution = 0.400%(m/v)

Q: 6. When 60 g of calcium chloride is dissolved in 500 g of Water, greater than (a) exists as a liquid…

A:

Q: How many mL of propyl alcohol are required to make a 2.28% (v/v) aqueous solution in a 100. mL…

A: Given :-  % v/v = 2.28 %  volume of solution = 100 mL  To calculate :-  volume of propyl alcohol…

Q: A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water.…

A:

Q: 10. What is the initial volume, in mL, needed to prepare each of the following solutions? a. 250 ml…

A: For dilution of solution,  apply   C1V1 = C2V2

Q: 210 mL of 2.1% (m/v) HCl from 13 % (m/v) HCl

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

Q: Prepare a solution of 50 ml at 5% m / v of NaHCO3.

A: Given  The (m/v) percentage of NaHCO3 = 5% The volume of NaHCO3 solution required = 50 mL

Q: Consider the following reaction: 2 CN- + 5 ClO- + H2O --> N2 + 2 HCO3- + 5 Cl- How many Liters of…

A: Given, 2 CN- + 5 ClO- + H2O --> N2 + 2 HCO3- + 5 Cl-

Q: An aqueous solution of acetone is made by transfering 3.18 mL of liquid acetone to a 100. mL…

A:

Q: How many mL of sodium hydroxide (NaOH) are there in 435 mL of a 6.40% (v/v) solution of NaOH?

A: Since % (v/v) is defined as the % of volume of solute per 100 ml of solution  i.e % (v/v) = volume…

Q: How many milliliters of hydrogen peroxide 6 % (w/v) solution do you need to add to 150 mL of…

A: we have to calculate the volume of hydrogen peroxide 6 % (w/v) solution needed to prepare a hydrogen…

Q: Calculate how many mL ofethanol is present in a 250.0 mL glass of wine.

A: Given :- % (v/v) = 5%           volume of solution (wine) = 250.0 mL  To calculate :- volume of…

Q: Potassium permanganate, KMnO4, is both effective at treating water and has medicinal uses. A certain…

A: We have to calculate the molar concentration of Potassium permanganate .

Q: How many grams of potassium hydroxide, KOH , are required to make a 4.77 %(w/v) aqueous solution in…

A: Given :- % w/v = 4.77 %                Volume of solution = 250 mL  To calculate :- mass of KOH (in…

Q: You have an ointment that contains 40% (w/w) of ingredient Y and another ointment which contains 5%…

A:

Q: volume

A:

Q: An 80-proff brandy is a 40.0% (v/v) ethanol solution. The "proof" is twice the percent concentration…

A: Given:Volume of brandy =750mLPercentage of ethanol solution = 40.0% (v/v)The volume of ethanol in…

Q: Rx: Phenylephrine hydrochloride 0.85% w/v Sodium chloride qs Purified water qs 90 mL Make isotonic…

A: The objective of the question is to calculate the amount of sodium chloride needed to make a…

Q: 1) What is the molarity of a 1.44 (m/v)% solution of HCOOH (formic acid)?

A: The m/v concentration of the HCOOH solution is = 1.44 % The molarity of the solution is =? We know…

Q: calculate the (w/v) % concentration of 150. ml solution contains 7.50g of dissolved solid Na2SO4

A: Given data contains, Volume of the solution is 150 mL. Mass of dissolved Na2SO4 is 7.50 g

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: when 15.00 mL of water is added to 5.25 mL of LiCl, what is the volume percent concentration (v/v%)

A: Volume by volume percentage (v/v%) is the volume of the any component (Solute or Solvent) in total…

Q: What volume of a 29.4% (w/v) hydrogen peroxide solution is required to prepare 454 mL of a 5.9%…

A:

Q: How many grams of sodium carbonate are needed to make 350 mL of a 0.5% (w/v)% concentration

A: GivenPercentage of the solution = 0.5% w/vVolume of the solution = 350ml

Q: None

A: As the acid base reacts in 1:1 ratio it can be solved as,Macid x Vacid  = Mbase x Vbase Macid =…

Q: What is the volume percent, % (v/v) of an alcohol solution made by dissolving 103 mL of isopropyl…

A: we know that  % (V/V) = volume of alcohol x 100 / volume of solution  now volume of solution =…

Q: What is the % (v/v) concentration of a solution formed by mixing 5.06 mL of 2-propanol in enough…

A: The volume of 2-propanol = 5.06 mLThe final volume of the solution after the addition of water =…

Q: another concentration unit is % (m/v) 10.0 g of glucose dissolved in enough water to give 325 mL,…

A: Given, amount of glucose =10.0 gramvolume of solution =325 mLwe are asked to calculate the…

Q: Calculate the %(v/v) of 1.8mg of acetone per 100.0 mL of serum

A:

Q: What mass of MCl is needed to make 3000g of 30% solution? (MW: H= 1 , Cl= 35)

A: