An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a 250.mL volumetric flash, and then adding enough water to fill the flash to the mark. What is the volume/volume percentage of ethyl alcohol in the solution?.
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An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a 250.mL volumetric flash, and then adding enough water to fill the flash to the mark. What is the volume/volume percentage of ethyl alcohol in the solution?.
Volume/volume percentage = ____%
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- If 50mL of NaOH (mw=40g/mol) solution required 30mL of sulfuric acid (mw=98g/mol) solution in a titration and 30mL of sulfuric acid solution were required in the titration of 0.5038g of pure sodium carbonate (mw=106g/mol). What was the normality of the NaOH solution? (use 4 significant figures)1) 500 ml of .50 M NaC1 from 2.0 M original stock solution? 2) 2.0 L of .20M MgS04 from .50 M stock solution? 3)A 6.50-mL portion of a 100.0 ppm solution was obtained and diluted to a finalvolume of 25.00 mL. What is the resulting concentration in ppm? Please answer with solutions
- What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and 95.0% by weight sulfuric acid? specific gravity = density of substance at certain temp/density of water at 4 degrees C the density of water is 0.999973 g/mL at 4 degrees celsius. Describe how to prepare 3.0 L of 0.100M. I will pipet ______ and add this to 200mL water. The solution will be stirred and diluted to 3L with water.A 25mL volumetric pipet is used to deliver a sample of the stock solution marked “0.6000M X2SO4” into a 100mL volumetric flask. Distilled water is added to the flask until it is about 3/4thfull, the solution is mixed well, then more water is added to fill it up to the calibration mark, then it is mixed again. Calculate the concentration of X+ion in the dilute solution made above.1.) Use the line of best ! Tables: Data Port 1. Synthesis of Asprin \table[[Mass of galicylic Acid used 2.024gt to calculate the concentration of the salicylic Acid in your asprin saple solution (in 50.0 ml volumettic flask) 2.) Use M1V1 = M2V2 to determine the concentration of salicylic acid in your 100.0 mL solution before dilutuon to 50.0mL for analysis. 3.) Determine the mass of salicylic acid present in the 4g sample of synthesized asprin tht was dissolved in the 100.0ml, volumetric flask 4.) Determine the percent of salicylic acid and percent asprin in the 4g sample of synthesized asprin7 5.) Calculate the theoretical yelld of asprin for your synthesis reaction. Assume that the salicylic acid used in the salicylic used in the synthesis reaction is the limiting reactant. 6. Determine the percent yild of the asprin for your synthesis. For the 1st cacization i got 1.340x10^-4 M C7H603 For the 2nd calculation i got M167x10^-5 Please check my calculations and explain the remaining
- (A) if both sentences are true,(B) if both sentences are false,(C) if the first sentence is true but the second is false, and(D) if the first sentence is false but the second is true. 1. In the Winkler Titration Method, sodium thiosulfate is standardized against a known concentration of magnesium iodate. The normality (N) of a solution is always equal to its molarity (M). 2. In the experiment on determining the dissolved oxygen concentration of a water sample, the compound used to acidify the sample was hydrochloric acid. An acidic solution will have a pH greater than 7. 3. Radioactive wastes, like uranium, must be handled and disposed of according to special regulations designed to protect people and the environment. Nuclear power plants produce too much greenhouse gases due to the burning of uranium.In this station, you will find a sample of table salt; the chemical formula of table salt is NaCl. Using the balance, weigh out 6.00 g of NaCl and dissolve in 50 mL of deionized (d.i.) water. Once com-pletely dissolved, add additional d.i. water to make the final volume of solution 100.0 mL. What is the mass percent NaCl in the solution? What is the molarity of the solutionAn aqueous solution of sodium acetate NaCH3COO, is made by dissolving 7.38 grams of sodium acetate in sufficient water in a 200. mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the weight/volume percentage of sodium acetate in the solution? Weight/volume percentage =_______ %
- What is normality of a solution containing 90g of HCI in 2600ml of solution? (Use the given information: MW:H=1g/mol, Cl=35g/mol)A. 0.00048 eq/molB. 0.48 eq/molC. 0.00096 eq/molD. 0.96 eq/molPart 1: Preparation of the Primary Citric Acid Standard Mass of empty 250-mL glass beaker: 100.7g Mass of 250-mL beaker and anhydrous citric acid First weighing : 103.4 g Second weighing: 106.5 g Third weighing: 106.1 3. Total volume of citric acid solution: 75.0 mL please help me with part Part 1: Preparation of the Primary Citric Acid Standard Mass of Citric Acid _________________________ Volume of Citric Acid Solution ____________ Moles of Citric Acid _________________ (Molar Mass = 192.0 g/mol) Molarity of Citric Acid Solution ____________Consider a 1.000-L stock solution of 9.69 M Na3PO4. A 2.000-mL aliquot is taken from this stock solution and diluted to a final volume of 1.000 L. A 5.000-mL aliquot is then taken from this new solution and further diluted to make a new solution with a final volume of 750.0 mL. Calculate Na+ in the final solution.