The weight of 5 ml of vinegar sample was 5.228 g, was required 30.5 ml of 0.2 M sodium hydroxide (NAOH). Calculate the percentage gravimetric and volumetric of acetic acid(CH3COOH) in vinegar. A.W: C=12 , H=1 , 0=16
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- Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray contrast agent that aids with the radiologic imaging of the anatomy. One such contrast agent is sodium diatrizoate, a nonvolatile water-soluble compound. A 0.378-m solution is prepared by dissolving 38.4 g sodium diatrizoate (NaDTZ) in.l.60 102 mL water at 3 1.2C (the density of water at 31.2C is 0.995 g/cm3). What is the molar mass of sodium diatrizoate? What is the vapor pressure of this solution if the vapor pressure of pure water at 31.2C is 34.1 torr?how many grams of barium carbonate BaCO3 are dissolved in: a) 1 liter of clean water b) 1 liter of solution 0,1 N Ba (NO3) 2 c) 300 ml of 0.01N BaCl2 solution during the calculations take into account that Ksp of BaCO3 = 4 × 10-⁹1. Calculate the mass required to prepare a 250 mL 3 M NaCl in water.Mass = M x MM x V 10002. Calculate how to prepare the following dilutions, ½, ¼, 1/8 and 1/16 of the initial concentration.There is a helpful equation that is used to determine how much stock solution and how much diluent to combine to get the final solution of a desired concentration
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- Six 50.0 ml volumetric flask 1 through 6 are labeled. 10.00 ml of 2.00 x 10-1 M Fe(NO3)3 solution was then pipet into each volumetric flask. A 1.00,2.00,3.00,4.00 and 5.00ml of 2.00 x 10-3M NaSCN solution was then pipetted to flask 2 through 6 respectively. A sufficient amount of 0.10 M nitric acid was then added to each flask to make each a total volume of 50.00ml. Hint M1V1=M2V2 a)what would be the concentration of Fe(NO3)3 in 0.10M HNO3? b)what would be the concentration of NaSCN in 0.10M HNO3?A 25% w/w aqueous phosporic acid solution has been prepared. Molecular weight of phosphoric acid is 97.994g/mol and the Molecular weight of water is 18.015g/mol. a. What is the moles of solute? b. What is the moles of solvent? c. What is the mole percentage of solvent? show complete solution. Tnx.An impure sample of 130 mg of adipic acid was dissolved in 1.0 mL of boiling water. What is the maximum amount of recoverable adipic acid at 0 oC? Solubility of adipic acid at 0 oC is 0.3 g/ 100 mL Group of answer choices 124 mg 3 mg 127 mg 130 mg
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