What is the final concentration if 100 mL of a 20% w/v solution is diluted to 250 mL with water? Select one: A. 8% w/v B. 0.08% w/v C. 10% w/v D. 50% w/v

Q: 100.0 mL of a 0.500 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the final…

Q: Calculate the final concentration in %(m/v)

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Q: How would you prepare a 50.0 mL portion of 2.50 M sodium hydroxide solution? (b) The stock room has…

A: Molarity is defined as number of solute present in 1000 ml of solution . Mole=…

Q: I need helping solving these please explain in the most simplest way so I can understand how to do…

A: Three numerical problem based on quantitative analysis, which is to be accomplished.

Q: A DoD device is charged with a 1.0 molar solution of ibuprofen (the API) in n-hexane. The molecular…

A: Given: Volume of solution required for man = 2.803 mL = 2.803 cm3                        (Since 1 mL…

Q: r scale, weigh out 18g of CuSO4. 3. Dissolve the 18g of CuSO4

A: To determine molarity  Given Weight of CuSO4 = 18g Given the volume of water = 100ml The molecular…

Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated:…

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Q: How many mL of 3.50 M H2SO4 solution is needed to prepare 250 mL of 1.25 M H2SO4 solution

A: Given data:  Initial molarity of H2SO4 (M1) is 3.50 M Final volume of H2SO4 (V2) is 250 mL. Final…

Q: Percent by Mass mass of solute_ × 100 mass of solution Percent by mass equals the mass of the solute…

A: Given : Mass of solute i.e DTN = 25 mg And mass of solution = 1000.0 mg

Q: Station 5 Make a 0.500M sodium hydroxide solution Procedure: 1. Add 15 mL of distilled water to a 50…

A: To prepare 0.500M NaOH solution, add 20g (0.500mol) of NaOH in 1L of aqueous solution.

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: IA student mixed 10.0 ml of 0.02 M H2SO3, 90.0 mh distilled water, aud 10.0 mL of 0.025 M Kl03. What…

A: Given that : Molarity of H2SO3 = 0.02 M Volume of H2SO3 = 10 mL Molarity of KIO3 = 0.025 M Volume of…

Q: How much of a 26.0 M  hydrochloric acid solution would you dilute to prepare 50.00 mL of 5.00 MM…

A: Dilution Dilution process is the process to change (decrease) the concentration of solution in…

Q: A 5 gram (NH4)2SO4 (MW = 132.14 g/mol) was dissolved to make 500mL solution. It found to have a…

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Q: How would you prepare 1.10 L of a 0.40-M solution of each of the following? 1. H2SO4from…

A: NOTE - As per our company guideline we can answer only 3 sub parts. kindly repost the question…

Q: How many mL of 0.900 M K2SO4 solution should be taken to prepare 250 mL of 0.450 M K2SO4 solution?…

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Q: Have 50 gallons of water dripping concentrated nutrients into the water system. Need a concentration…

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Q: How many grams of AgNO3 should be used to prepare 250 mL of 0.600M AgNO3 solution?

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Q: 4.How many grams of CaCl2 would be required to create a 4.1 % of a 2122g solution? Numerical…

A: Mass of solution = 2122 g

Q: How many moles of KI are contained in 3470 g of water in a 0.0175 m KI solution?

A: Molality is the ratio of number of moles of solute to the mass of solvent in kilogram. Molality =…

Q: 28. A solution contains 125 g of a compound and 555 g water.   The boiling point  of the pure…

A: We have to predict the molar mass of compounds.

Q: Determine the amount of sodium chloride required to prepare 500 ml of a 3M sodium chloride solution.…

A: The molarity of a solution is the ratio between the number of moles of the compound to the solution…

Q: How would you prepare 60.0 mL of 0.2 M HNO3 from a stock solution of 4.00 M HNO3?

A: The given data : The initial concentration of HNO3 = 4.00 M The final concentration of HNO3 = 0.2 M…

Q: Dilute HCl (MW = 36.5 g/mol) contains approximately 10%(w/v) HCl. How many mL of dilute HCl is…

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Q: If 250 mL of a 12% solution is diluted to 1 L, what will be the percentage strength?   a 1.2%   b…

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

Q: Find the final concentration of ethanol as a percent (v/v) when 30 mL of ethanol 50 % (v/v), 60 mL…

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Q: How many mL solution should be taken from 0.900 M K2SO4 solution to prepare 250 mL of 0.450 M K2SO4…

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Q: 1. A 100-fold dilution (1/100-dilution; 1 part sample: 99 parts diluent, most of the time water) of…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many mL of 3.50 M H2SO4 solution is needed to prepare 250 mL of 1.25 M H2SO4 solution?    a)…

A: During dilution number of moles remains constant and volume is calculated using equation of…

Q: Chemistry Rx             Cocaine HCl               1.5%    (E = 0.16)             Eucatropine HCl…

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Q: 18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution? A. 3000 mL B.…

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Q: How many grams of NaNO3 are needed to prepare a 75.00 mL solution that is 6.5% (m/v)?   6.5 grams…

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Q: Which solution has more acetic acid? 10.0 mL of 15% solution or 20.0 mL of 1.11 Moles solution?

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Q: Dilution question.  If I stated out with 1000mL of an 800mM solution and wanted to make a new dilute…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: Find the volume of the 5.5% m/v stock solution if it will be diluted to 80mL 4.8% m/ v Diluted…

A: Given : We have to find volume .

Q: mL of H2SO4 solution 75 (specificgravity =1.18) containing 49% H2SO4 (w/w) is diluted to 590 mL.…

A: Given information-: Volume of solution = 75 ml ( V1) Specific gravity = 1.18  H2SO4 (w/w)  = 49 %…

Q: 17 g of unknown organic sample was dissolve in 564 mL of Dicloromethane (DCM). The boiling point of…

A: NOTE: It will be benzene only and not DCM as the data is given for benzene and there is a typo error…

Q: calculate the boiking point of a solution in 0.20 grams of eugenol, dissolved in 12.0 grams of…

A: Given: The mass of eugenol is 0.20 g. The mass of benzene is 12.0 g. The boiling-point elevation…

Q: What volume of a 2.00 M KCl solution is required to prepare 500 mL of a 0.100 M KCl solution? Group…

A: Given :  Molarity of KCl solution = 2.00 M = M1 Preparation of new solution: Volume to be prepared =…

Q: Note: MW of NaOH0 g/mole Prepare 0.08 M (Molary) of NaOH in (1 L) distilled water. (How many grams…

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…

Q: part 1 What is the % w/v of a 200ml solution containing 50g sucrose? part 2 What is the % w/v of a…

A: Given: Part1: volume= 200ml Mass= 50g sucrose. Part2: volume= 2.5 L Mass= 26.45g of SDS Part3:…

Q: How many milligrams of sodium chloride (NaCl; MW = 58.5) would be required to make a 50 mL total…

A: Two solutions are isotonic when their osmotic pressures are equal. Molar mass of ephedrine sulfate…

Q: Find the millimol of solute in 3.5L solution .5 .that contains 33.3ppm of CuSO4 )1 نقطة( x 10-2mmol…

A: 0.5 lit. Contains 33.3 ppm of copper sulphate

Q: MULTIPLE CHOICE: Choose the letter of the best answer Please answer all questions correctly 1. The…

A: Question 1 Answer: B (Cerimetry) Explanation: 1. Use of KMnO4 solution which is standardized by…

Q: How many grams of Mg(OH)2 are present in 55.0 mL of a 3.50 M solution? [Mg(OH)2 = 58.3 g/mol]

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Q: You have 0.5 ml of a stock solution of 1 mg/ml BSA. You need at least 200 µl of the solutions listed…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How many mL of 0.300 M NaF would be required to make a 0.0185 M solution of NaF when diluted to…

A: We know the amount of moles in the solution remains constant when changing the concentration of the…

Q: What is the %v/v of 10mL CH3OH (methanol) dissolved in water to a volume of 40mL

A: Percent by volume = (volume of solute /volume of solution)*100

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: Acetyl salicylic acid =324 mg Sodium carbonate, Tartaric acid, citric acid = each amount to make…

A: Formula used: 1dose/5 doses = (amount for 1dose) /     (amount for 5 doses) We have to use this…