Report how to make 1.0L of an 0.25M, pH = 5.2 acetate buffer using glacial acetic acid and sodium acetate. Assume the K. for the dissociation of acetic acid is 1.738x10-s. VII. CH,COOH (aq) - H (aq) + CH,COO"(aq) CH2COOMCGG) - H* Caq)+ CH 3 COo-caq) SOLUTION PREPARA
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Q: 3. Calculate the pH of a mixture of 0.25 M acetic acid and 0.1 M sodium acetate. The pk, of acetic…
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Q: Report how to make 1.0L of an 0.25M, pH = 5.2 acetate buffer using glacial acetic acid and sodium…
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A: Hii there, since there are multiple subparts posted. we are answering first three subparts. if you…
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- A dermatologic lotion contains 1.25 mL of liquefied phenol in 500 mL. Calculate thepercent strength of liquefied phenol in the lotion.A 50.0 mL juice extract is colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of the solution and the standard glucose solution (concentration: 1mg/mL) were treated with freshly prepared Nelson’s reagent and arsenomolybdate reagent and then diluted to 10.0 mL separately in properly labeled test tubes. Absorbance at 480 nm for the standard is 1.702 and for the sample, 0.926. A. What is the principle behind the assay? B. Calculate the concentration of the reducing sugar in the 50.0 mL sample in mg/mL. Apply Beer-Lambert’s law.A 50.0 mL juice extract is colorimetrically assayed using Nelson’s test. One milliliter (1.00 mL) of the solution and the standard glucose solution (concentration: 1mg/mL) were treated with freshly prepared Nelson’s reagent and arsenomolybdate reagent and then diluted to 10.0 mL separately in properly labeled test tubes. Absorbance at 480 nm for the standard is 1.702 and for the sample, 0.926. A. What is the principle behind the assay? B. Calculate the concentration of the reducing sugar in the 50.0 mL sample in mg/mL. Apply Beer-Lambert’s law: A=bc
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