Prepare 500 ml of 70% and 90% ethyl alcohol from 97% ethyl alcohol using the formula: C1V1=C2V2.

Q: Prepare 300 ml of 30%, 50%, 70%, 80% and 90% ethyl alcohol using formula: C1V1=C2V2     give the…

A: A. 30% EtOH solution : 30% EtOH solution means 30 mL EtOH and 70 mL water for 100 mL solution.  So,…

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: How many grams of benzoic acid (C6H5COOH) are contained in a 75.0 mL solution at 0.340 M…

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Q: 170.0 mL of 0.12 M C2 H5NH2 with 285.0 mL of 0.20 M C2 H5 NH3 Cl

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Q: How many microliters of a 904.0 ppm Co2+904.0 ppm Co2+ stock solution are required to prepare 20.00…

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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…

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Q: 500 mL of 1.0 M HCl solution from a concentrated reagent. Concentrated HCl is 36% (w/w)

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Q: The doctor's order is to give 200 mg Sulfisosxazole . The bottle contains 125mg / 5 ml . How much…

A: Given: Bottle = 125 mg/5 ml Total amount of Sulfisosxazole is to be given = 200 mg

Q: What weight (in grams) of caffeine (C8H10O2N4) is required to prepare 100 mL each of the following…

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Q: How would you prepare 100ml of 0.5m solution using your stock solution.

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: Express the formality (F) the concentration of each of the following solutions: a. 28.4 % NH3 by…

A: Given data: a. The percentage by weight of NH3 = 28.4 %. Density of the solution = 0.808 g/mL. b.…

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: 1. Make 1800 mL of a 50% weight/weight acetone alcohol solution. Specific gravity acetone: 0.786…

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Q: Prepare 500 ml of 70% and 90% ethyl alcohol from 97% ethyl alcohol using the formula: C1V1=C2V2.…

A:

Q: Dilution A. How many mL of concentrated nitric acid, HNO3, that is 12M do you need to make 500 mL…

A: Given -> M1= 12 M M2= 1.5M V2=500ml

Q: 2. If you perform a dilution ofa 5X solution to 100 ml of a 0.5X solution, how would you determine…

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Q: How many mL concentration 15 M sulfuric acid solution will I need to make 500 mL of 1.5 diluted…

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Q: You need to prepare 2.6L of 3xTAE. You know that 50xTAE requires 242g of Tris Base, 57.1ml of…

A: To prepare 1 L of 50xTAE, we require:   Constituent                         AmountTris base…

Q: Describe how we would make the following solutions: (a) 500.0 mL of a 5.32% w/w H,S solution in…

A: (a)

Q: How many grams of ammonium chloride must be down to 150 mL of water to make a saturated solution at…

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Q: A 551 ml container of 70% (v/v) Isopropanol (rubbing alcohol) contains how many mL of isopropanol?…

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Q: GIVEN: - 500mg of ascorbic acid - 2L of distilled water - 7.5% m/v (this is the stock solution)…

A: A numerical problem based on concentration terms that is to be accomplished.

Q: A mother liquor of a NaCl solution having a concentration of 5.00 M is taken two milliliters (2.00…

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Q: 100 mL of 0.1 M sodium fluoride d 100 mL of 0.1 M sodium fluoride uoric acid and 50 mL of 0.1 M NAOH…

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Q: Molar solution: Make 100mL of 350mM NaCl.

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: S-S HO HO. -N. Possib Jedi-N stormtrooperessene From the knotty Dogwood Tree? HS H- HH chasene HH но…

A: Functional nctional groups of the given compounds is illustrated in the figur with underline.  There…

Q: 3)The molarity of 48.0 mL of 6.00 M H2SO4 diluted to 0.250 L is:   Select one: A. 2.25 M B. 3.35 M…

A: Answer: The molarity of 48.0 mL of 6.00 M H2SO4 diluted to 0.250 L is 1.15 M. so option D. 1.15 M is…

Q: Find the mass of iron (II) sulphate needed to prepare 250mL of 0.600mol/L solution

A: Given: Volume of solution, V = 250 mL                                    =0.250 L Molarity of…

Q: How many mols of Sulfuric Acid are in 63.5ml of a 3.0M solution

A: Volume = 63.5 ml = 0.0635 L (1L = 1000ml) Molarity = 3.0 M

Q: What molarity of HCl is needed so that 5 mL diluted to 300 mL will yield 0.2 M?

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Q: many mL should you take from a 70% solution to dilute it to a 21% solution ? a. 20 mL b. 30 mL C. 50…

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Q: What volume of 30% H202 do you have to  dilute to make 20 mL to make a 3% H20 solution ?

A: Given , Concentration of stock solution of H2O2 = 30 % ( I am taking 3% H20 solution as 3% H2O2…

Q: GIVEN: - 500mg of ascorbic acid - 2L of distilled water - 7.5% m/v (this is the stock solution)…

A: Given data,Mass of ascorbic acid=500mg=0.500gVolume of water=2.0L=2000mL% m/v of solution=7.5 %

Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Stock solution of 0.019 M ascorbic acid                                 Ascorbic acid present in a…

Q: How will you prepare 400 mL of 1 M H2SO4 solution using a stock solution which is 8M?

A:

Q: You have a stock of 5.0 M NaCl. If you want to make 300.0 mL of .150 M NaCl, how many milliliters of…

A: M1= 5.0 M V1=300.0mL M2=0.150M V2=?

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

A: Given, a) concentration of concentrated solution of NH3 =15 Mvolume of diluted solution of NH3 =50…

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: GIVEN: - 500mg of ascorbic acid - 2L of distilled water - 7.5% m/v (this is the stock solution)…

A:

Q: Calculate the molarity of 15.4 g of sucrose (C12H22011) in 74.0 mL of solution, [Molar mass of…

A: Hello, since your question has multiple parts, we will solve the first question for you. If you want…

Q: Osmolarity and Tonicity ECP IOF Try again - 300 mosmel 00 moema NP IL IV of 1L containing 600 mosmol…

A: Given: IV of 1 L containing 600 mosmol NaCl + 150 mosmol urea .   Adding NaCl to total body weight.…

Q: You want to make a stock solution that is 12.2 M K*. You have potassium chromate salt (MM=194…

A: Molarity of the K+ ions solution to be prepare M1 = 12.2 M Molar mass of Potassium chromate (K2CrO4…

Q: How many milliliters of 2.0 M sulfuric acid are needed to make 400.0 mL of 1.00 M H 2SO 4? 0.00500…

A: Given M1 = 2 M V1 = ? M2 = 1 M V2 = 400 ml

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…