A.. .mL of 4.2 H2C204 needs to be diluted to form 750 mL of 1.4 N H2C2O4 solution * O 260 mL O 250 mL 350mL O O O

Q: Calculate the mass percent of solute in each solution. Calculate the mass percent of 3.37 g KC13.37…

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Q: A solution is prepared by dissolving 54.0 grams of ethylene glycol (C2H6O2) in 245 grams water. What…

A: The mass % of ethylene glycol solution is calculated as shown in equation (1) where m1 and m­2 are…

Q: A solution contains 6 umol Na,SO, in 284 ml. How many ppm Na" does it contain? A.W Na-23 S-32 0-16…

A: The question is based on the concepts of solutions. we have been given number of moles of solute. We…

Q: A 1:20 dilution is done with a 0.2500 M Na,SO4 solution. How many mL of the 0.2500M are required to…

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Q: A sample of a potential pharmaceutical is being tested for effectiveness at different dosages. 250.…

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Q: What volume  (in mL) of 5.65 M HCl can be made by mixing 6.55 M HCl with 424 mL of 4.45 M HCl?

A: The 5.65 M HCL solution is made by mixing 6.55 M HCl with 424 mL of 4.45 M HCl.  The volume of 5.65…

Q: How many grams of KF are needed to prepare 175 mL of a 1.80 M solution? 0.315g…

A: Record the given data, The concentration of the solution in Molarity is 1.80 M The given volume is…

Q: 10. How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNO3 : 100 g/mol,…

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Q: 1. What mass (in g) of MnSO4•H2O is needed to prepare 50.0 mL of 350. ppm MnSO4 (d=1.00 g/mL)? (a)…

A: We know that, ppm = (mass of solute/volume of solution)x106

Q: How many grams of solid KCl are needed to prepare 250.0 mL of 0.235 M solution? A) 31.3g B) 15.6g…

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Q: Please  help. Need directions on how to complete.

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Q: A certain amount of benzene C&H (D= 0.985 g/mL) was dissolved in 0.500 kg CCI4 to produce a solution…

A: Given: Mass of solvent i.e. CCl4 = 0.500 Kg = 500 g. Mole % of solvent i.e. CCl4 = 37.0 % Density of…

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: Calculate the mass of solute in the following solution: 50.0 mL of 0.0300 M C6H1206- Multiple Choice…

A: The concentration term molarity is equal to the moles of solute dissolved per liter of solution. The…

Q: The salt content was extracted from a 12.0000 g junk food sample. The extract was diluted to 100.00…

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Q: Commercial hydrochloric acid is 12.1 M. What volume of commercial HCI solution should be used to…

A: Given: Concentration of commercial hydrochloric acid(C1)=12.1M Concentration of dilute hydrochloric…

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 many grams of sodium acetate are in 275.0 mL of a 18.0 % (m/v) solution? 49.5 g 0.0654 g 0.153 g…

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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: To what volume should you dilute 124 mL of an 8.05 M CuCla solution so that 49.0 mL of the diluted…

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

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Q: A 2.1 M K2SO4 solution can be prepared by diluting mL of 9.2 M K₂2SO4 solution to 241 mL

A: • The values provided in the question are:-         i) Initial concentration of K2SO4 solution, M1…

Q: Drain unclogging agent is prepared from NaOH dissolved in water. How many grams of NaOH is needed to…

A: Concentration of the NaOH solution needed = 2.5 M Volume of NaOH solution needed = 500 mL Molarity…

Q: The final concentration of a solution made by diluting 10.0 mL of 0.685 mol/L NaBr to 300mL is ?

A: Given :  Initial concentration = 0.685 g/mol  Initial volume = 10.0 mL  Final volume = 300 mL  To be…

Q: 26.     Calculate the ppm of Cl- in 0.00500 M CaCl2.  molar masses of Ca = 40.08 g/ mole and Cl =…

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Q: What volume of 1.50 mol/L stock solution is needed to make 125 ml of a 0.60 mol/L? 1.50 ml 2.7.2…

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Q: A 250 mL of 1% m/v Na2CO3 (MW = 105.99 g/mol) was found to have a density of 1.05 g/mL at 25oC. Find…

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Q: of (a) molarity ? erum? (C) ppm by wt? 2. How many mL of a 0.250 M KA solution must be diluted to…

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Q: Dilutions From a 2.0 M Stock Solution 39 SEP Interpret Data The table shows the volume (Vstock) of a…

A: M1 = 2.0 M V1  =  ?  M2 = 0.5 M      ( mol/L  = M ) V2 =  1 L    M1 × V1  = M2 × V2 2.0 M × V1  =…

Q: Which of the following statements is correct for 25.0 mL of 3.01 M NH3 solution? (MM = 17.0 NH3)…

A: Given : Volume of solution = 25 ml  Molarity of ammonia = 3.01 M

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

A: Molarity(M) is defined as number of moles of solute in 1L of the solution. Molality(m) is defined as…

Q: A solution is made by diluting 10.0 mL of 0.021 M potassium dichromate to 200mL. What is the…

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

Q: How to prepare 250 ml of 98% H2So4 solution with a density of 1.98 g / ml? (H2So4: 98 g / mol

A: Volume of solution is 250 mL Density of solution is 1.98 g/mL Thus we calcuate mass of solution from…

Q: What is the molar concentration of a نقطتان ( 2 solution that is 4 percent K2SO4 by weight and has…

A: 4 percent by weight means 4 g K2SO4 in 100 g solution. Volume of 100 g solution = mass / density…

Q: A solution was prepared by dissolving 35.0 mL of methanol in sufficient water to give a total volume…

A: We have to predict the percentage by volume of given solution.

Q: Dilute a 35.0 mL glucose solution from 2.26 M to 0.845 M, the final volume will be: O 93.6 mL O 70.0…

A: We know that,  V1S1 = V2S2  V1 = initial volume  V2 = final volume S1 = initial concentration S2 =…

Q: Calculate the molarity of C6H1206 in solution if 4.5 g was dissolved in 50 ml of H2O.…

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Q: I  wish to prepare 500.0 mL of a 800.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. a.)How many…

A: a) First calculate the mass fluoride in 500mL solution then it is used to determine the moles…

Q: What is the weight molarity of a solution prepared by dissolving 1.583 g of NaCl (58.442 g/mol) in…

A: The given data contains, mass of solute = 1.583 g. mass of solvent = 93.217 g mass of solution =…

Q: An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2 present in it. The…

A: Given: An aqueous solution of CaCl2 weighs 6.6 kg. The solution has 7.5 moles of CaCl2 present in…

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: Calculate the mass percent of a NaCl solution in which 185 g of NaCl is dissolved in 1.89 L of water…

A: By using this formula we can calculate the mass Percent of NaCl .   Mass of NaCl = 185 g Volume of…

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: A 38.0 µM sample solution occupies 3.03% of the length of a 59.6 cm long capillary that has a…

A: To calculate moles of solution , we would need to calculate volume of solution.  For this we would…

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

A: Answer a: C1 x V1 = C2 x V2 Where, C1 = initial concentration; V1 = initial volume             C2 =…

Q: The molarity of a solution prepared by diluting 43.72 mL of 5.005 M aqueous potassium dichromate to…

A: Molarity: is the most commonly used term to describe the concentration of a solution. Molarity =…

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: 3. Determine the mass of glucose, CcH12O6 (s), needed to produce a 0.150 m glucose solution in 50.0…

A: Given: The molality of the glucose, C6H12O6 solution, (m)=0.15 m. The molar mass of glucose,…

Q: How many mL of 0.625 M KBr are needed to prepare 2. O 200. mL O 0.0200 mL O 313 mL O 31.3 mL

A: The molarity is determined as the moles of solute upon volume of solution in liters. The molarity of…

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…