I have 6 tubes with the contents labeled. How can I make a 20% concentration serial dilution? Please show the steps and the final dilutions for the tubes as a fraction.

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: We have to calculate the concentration of iodide ion.

Q: In order to prepare 150.00 mL of 0.04% bromthymol blue (BB) solution from a 2.00% stock BB solution,…

A: Given:  Stock solution of bromthymol blue = 2.00%  Solution to be prepared = 0.04% Of BB 150 mL  To…

Q: Use the information and table to answer the following question. A student wants to determine how…

A: From the above table. The following conclusions are given

Q: A 6.0 M solution of HCI is diluted to 1.0 M. How many milliliters of the 6.0 M solution would be…

A: Given: Initial molarity of HCl solution = 6.0 M Final molarity of HCl solution = 1.0 M Final volume…

Q: The mass fraction of B in a solution is 0.17. Calculate, in g, the mass of the solution that…

A: We have to calculate the mass of solution.

Q: Pipet (1.0x10^1) mL of a sample solution into a 250.00 mL volumetric flask and dilute to the mark…

A:

Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol?

A:

Q: A 12.0-mL portion of 3.00 M stock solution is to be diluted to 0.200 M. What will be the final…

A: Given that,V1 = 12 mL = 0.012 L M1 = 3M = 3 mol/L M2 = 0.200 M V2 = __ M1V1 = M2V2

Q: Craw McGraw-Hill Education Campus Saved Ex. 1b - Mass/volume percent concentration - calculate using…

A: Volume of solution = 0.350 L  Mass of KCl = 13.0 g  We have to find m/v percent of solution.

Q: 0.05 g of acetyl salicylic acid has been dissolved to the volume 25.00 ml to create a stock…

A:

Q: If you choose a serial dilution—what would you do?  Assume that you begin with a 1.0 M solution.…

A: 50% serial dilution translates to,1/50 dilution factordilution factor = initial volumefinal volume =…

Q: Complete the table below and show the complete and correct solution. a. 105.9g/mol b. 100.9 g/mol…

A: Graham's law:

Q: Dilutions : M,V1 = M2V2 1. If I dilute 350 mL of a 0.40 M CaCl, solution to a volume of 530 mL, what…

A: 1) Intial concentration = M1 = 0.40 M      Intial Volume = V1 = 350 mL      Final concentration = M2…

Q: Describe how you would make 200.0mL of a 0.400 M NaOH solution from 12.0 M stock NaOH solution.…

A: Given information: Final volume of NaOH solution (V2) = 200. 0 mL Final concentration of NaOH…

Q: Please calculate the grams of each substance needed to make the following solutions: One-half…

A: Given: The volume of the solution of CaSO3, (V) = 05 L. The molar mass of CaSO3, (M) = 120.17 g/mol.…

Q: Calculate the molar solubility and Ksp of borax at each of the measured temperatures.  Equations…

A:

Q: Show the complete solution. 1. 3H2 (g) + O3 (g) → 3H2O 2. N2O (g) + NO (g) → 3NO 3. CaC2  (s) +…

A: 1. 3H2 (g) + O3 (g) → 3H2O 2. N2O (g) + NO (g) → 3NO3. CaC2  (s) + 2H2O (l) → Ca(OH)2 (s) + C2H2 (g)

Q: Consider the compound tartrazine (Yellow 5 food dye) that has a chemical formula of C16H9N4Na3O9S2.…

A: 1) Since molar mass = sum of ( Atomic mass of each atom present in the molecule X number of atoms)…

Q: A 12.0-mL portion of 3.00 M stock solution is to be diluted to 0.200 M. What will be the final…

A:

Q: What is the final dilution when you perform a 1/5th serial dilution five times?

A: The final dilution when you perform a 1/5th serial dilution five times as given below.

Q: please highlight the correct answer

A: The expression for dilution (d) in terms of the ratio of volumes is determined as follows:

Q: Consider a solution composed of toluene (C7H8) and benzene (C6H6) with volumes 50 mL and 125 mL,…

A: The molarity of a solution depends on the number of moles of the compound and the volume of the…

Q: You need to make a 1:5 dilution of a solution. You need 25 ml of the diluted solution. How much…

A: Given:dilution ratio= 1:5volume of diluted  solution = 25ml

Q: 12.0−mL portion of 7.00 M stock solution is to be diluted to 0.300 M. What will be the final volume…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: Which is not required in recrystallization? a. solution is filtered at high temperature b.…

A: Remember this point, recrystallization is used for purify the crude sample of compound so that all…

Q: 3 3.500 mM 4 0.136 mM 5 1.673 mM Hints & Tips Take the 1/100 dilution factor into…

A:

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Give that the solution is prepared by mixing KI(aq), Na2S2O3(aq), water, KBrO3(aq) and HCl(aq). Here…

Q: Concentration of 7.5 mL Dilution (Use M,V1=M2V2 where M1 = 0.024, V1 = 7.5 mL (why?), V2 = 100 mL)…

A: Consider the given information is as follows; M1 = 0.024              ;                     V1 = 7.5…

Q: CALCULATE FINAL CONCETRATION INCLUDE UNITS AND 2 SIG FIGS A 43.5 mL sample of an 7.5 %(mm/vv) KBr…

A: Given : Volume of sample, V1= 43.5 ml Mass by volume percentage of kbr solution =7.5% Final volume,…

Q: b. Calculate the moles and masses present in these solutions. (i) Calculate the moles and mass of…

A: Given: The volume of Pb(NO3)2 , (V) = 2.3 dm3. The molarity of the Pb(NO3)2 ,(M) = 0.552 moles/dm3.…

Q: "To what volume should you dilute 0.200 L of 15.0 M NaOH to make 3.00 M NaOH? Make sure to show your…

A: The number of moles of NaOH remains conserved in both the solutions. Let the number of moles of NaOH…

Q: Find grams of solution in a 22.5 %mass solution of X that has 17.0 g(solvent):

A: Given: Mass percent of X in solution = 22.5 % And mass of solvent = 17.0 g.

Q: please highlight the correct answer

A: The final concentration is determined by using formula M1V1 = M2V2

Q: Show your complete solution and round-off your answers to four decimal places.   A 0.1093-g sample…

A: Number of mmol = Molarity x Volume (mL) Na2CO3  +  2AgNO3  ----->  2NaNO3  +  Ag2CO3 KSCN  +…

Q: Solution 1 Solution 2 Solution 3 Volume stock solution (mL) 4.00 4.00 4.00 Volume DI water (mL) 1.00…

A:

Q: If we have a 5.0 M NiCl_2NiCl2​ stock solution and we want to make 1 L of a 1.5 M NiCl_2NiCl2​…

A: Initial concentration of NiCl2 stock solution, M1 = 5.0 M Final concentration of NiCl2 solution…

Q: where 0.150 mol of the solute is dissolved into enough solvent to give a total volume of 350 mL. 2.3…

A: The mole concept was proposed to relate the composition of substances, atoms, and molecules.…

Q: when calculating dilution (M1V1=M2=V2), are the volumes for the overall solutions or just the stock…

A: The question is based on the concept of solution preparation. molarity is a way of expressing…

Q: What  is the molarity of the new solution?

A: Given :-    initial concentration(M1) = 16 M                   initial volume(V1)  = 20.0 mL…

Q: Show your calculations for the volume of 0.100 M LiCI required for each dilution in Step 2. (HINT:…

A: The dilution law is  M1 V1 =M2 V2 M1 is the concentration of stock solution, V1 is the required…

Q: Amixologist diluted 15.00 ml of ethanol solution with a concentration of 40.0% (alcohol by volume)…

A: Given :-  Initial concentration (%v/v) = 40%  Initial volume = 15.00 mL  Final volume = 137 mL  To…

Q: Determine the moles of sodium carbonate that need to be taken from the concentrated solution. (To…

A: The required moles of sodium carbonate in the diluted solution = 0.02500 mol  While making dilution…

Q: What is the H2S content of the solution (in mg/dm3 unit) of which 20 cm3 reacts with 40 mg of Br2.…

A: Given that ; Mass of Br2 = 40 mg = 0.04 g Volume of solution = 20 cm3 = 0.02 dm3 MM[H2S]=34.08 g/mol…

Q: Suppose you will prepare a 1:1 by ass NaOH solution using 30g NaOH of 97% purity (density=2.13g/mL).…

A: Weight percent Solution: Simply it is the amount of solute in grams per 100 grams of solution.…

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: Find %mass of solute X in a solution made of 17 g(X) and 168 g of solvent: %mass X = ____ g(…

A: Answer: % mass of solute X in the solution is 9.2 %

Q: I need to make a solution containing 0.025 grams per liter. However, I do not want to weigh 0.025…

A: Given : Final concentration of solute required = 0.025 g/L. Final volume of solution required = 1000…

Q: b. Calculate the moles and masses present in these solutions. (i) Calculate the moles and mass of…

A: Molarity ;- Moles of solute per liter of solution to forms a solution is called molarity of the…

Q: Trying to determine concentration of sucrose in soda equation for standard curve:  y= 0.0186x+1…

A: Given: mass of solution = 54.2060 g volume of solution = 50 mL density of solution = 1.08412 g/mL