Add the acid into distilled water to dilute the acid solution 1. Add distilled water into acid to dilute the acid solution II. Use serological pipette in transferring acid into a beaker containing dis water V. Use serological pipette in transferring distilled water into a beaker contai cid I and III O I and IV O Il and III O Il and IV
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- Arrange the following steps in the correct order. I. Prepare the separatory funnel. II. Mix and release pressure. III. Add the solution to be extracted and add the extracting solvent. IV. Collect the organic layer. a. I, II, III, and IV b. I, III, IV, II c. I, III, II, IV d. IV, II, I, IIIFollowing the monograph procedure, a 724-mg of aspirin (MW+180 g/mol) dissolved in 18.5 ml of cold neutralized alcohol. This solution was then initially titrated with 0.101 N sodium hydroxide solution, then later neutralized with 0.104 sulfuric acid. 1. What is the milliequivalent weight consumed by the acidic titrant? a. 1.5392 g-meq b. 2.0907 g-meq c. 1.4948 g-meq d. 2.1528 g-meq 2. What is the milliequivalent weight consumed by the basic titrant? a. 5.8656 g-meq b. 1.5392 g-meq c. 5.6964 g-meq d. 1.4948 g-meq 3. What is the difference of milliequivalent weight consumed in the reaction? a. -4.1572 g-meq b. 4.3708 g-meq c. 0.5515 g-meq d. 4.1572 g-meqFollowing the Kjeldahl procedure, calculate the % protein content of a flour sample by considering the following: Vol HCL (0.1 N) for blank = 0.2 mL Vol HCl for sample = 16 mL Wt of sample = 1.0872 g N conversion factor = 5.7 ...i will surely upvote...please answer asap
- Indicate the appropriate protocol below to prepare the required solution. a) Solution 5 Preparation: Prepare: 10 mL of 23% mannitol From: solid mannitol Procedure: b) Solution 2 Preparation: Prepare: 0.5 liters of 0.01 mg/mL ascorbic acid From: solid ascorbic acid , MW = 176.1 g/mol Procedure: C) Solution 3 Preparation: Prepare: 1 liter of 150 mM Tris From: 1 Molar Tris stock solution Procedure:Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct WORD/PHRASE that will make the statement true. If there are two bold words/phrases in a number, write your answer for EACH of the bold words/phrases 1. 6-hydroxy-1-naphthoic acid is soluble in 5% NaOH and soluble in 5% NaHCO3. 2. The addition of excess charcoal would decrease the % recovery in the purification by recrystallization. 3. If the target compound is contaminated with impurity, the melting point will be higher than the theoretical value and the melting range is large.In a chromatographic analysis, it was found out that distance travelled by the alcohol solvent is 4 cm away from the finish line. The distance travelled from the starting line to finish line is 40 cm. The first amino acid, AA1 travelled 6 cm behind the distance travelled by the alcohol. The second amino acid, AA2 travelled 12 cm short from the solvent front while the third amino acid, AA3 travelled 8 cm ahead of AA2. Calculate: Rf of AA1 ____ Rf of AA2____ Rf of AA3____ (Rf= Retention factor)
- Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct WORD/PHRASE that will make the statement true. d. Washing with hot solvent eliminates adhered mother liquor and avoids crystal dissolution. e. To extract a nonpolar organic compound using solvent extraction, the extracting solvent must be nonpolar, and the washing solvent must be also nonpolar. f. Addition of 6.0 M NaCl extracts saponins by converting them to their salt form. g. The stationary phase in the paper chromatography experiment is the filter paper. h. When the spots have low concentration, they will not be observed as visible spots in the chromatogram. i. An isomer in anti-staggered conformation has higher potential energy than the isomer in eclipsed conformation. j. The addition of excess HCl assures that the formation of tert-butyl chloride is favored. k. If the temperature during distillation of crude tert-butyl chloride reached 90°C, the distillate would contain tert-butyl…Direction:A. Create a complete workflow process of producing a Liquid Dosage Form through Extemporaneous Compounding(Laboratory Setting). Use diagrams (boxes and arrows) to signify stepwise and significant procedures. And Provide a one-paragraph description of the workflow by pinpointing the major steps involved in the illustratedextemporaneous compounding. Highlight each step using red. Thank you!!!In this lab you will utilize the separation method called extraction to "extract" limonene from the peel of an orange. "like dissolves like" therefore _________ solvent will be used to dissolve _________ limonene. The nonpolar molecule used as the solvent will be ____________.
- In terms of safety, organic solvents can always go into the organic waste container directly, the pH they may have does not matter because they are organic a. True b. FalseSome de-icing compositions include dyes or colored compounds called indicators. Why?Please show all the calculations. I have these information available: 32.00 mL of 1 butanol and 20.00 mL glacial acetic acid were in the 100 mL distilling flask. Initial Aliquot:1 mL and add around 20 mL of water.Volume of NaoH required for titration: 67.3 mL After Aliquot:1 mL and add around 20 mL of water.Volume of NaOH required for titration: 23.4 mL Concentration of NaOH: 0.0972 M