1. One liter of an aqueous solution contains 0.10 M Lys at pH=10.8, and 0.1 M HCl is subsequently added. What is the pH after adding HCl? (please show work) а. 3.1 b. 4.1 C. 6.1 d. 10.8 е. 8.0
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- 12. Metabolic acidosis caused by fixed acids is present when the anion gap is greater than A. 9 mEq/L B. 14 mEq/L C. 20 mEq/L D. 25 mEq/LAt a pH of 7.40, the carbonic acid ratio is ________. a. 35:1 b. 4:1 c. 20:1 d. 3:1PROBLEM 12.27 (a) Use Table 12.5 to calculate the osmotic pressure of the hemodi- alysis solution at 25 °C. (b) If the osmotic pressure of blood at 25 °C is 7.70 atm, what is the direction of solvent movement across the semipermeable mem brane in dialysis? (Blood to dialysis solution or dialysis solution to blood)
- Calculate the pk, of an acid with K = 7.77 x 104. %3D А. 2.230 О В. 3.110 O C. 4.147 D. 7.160 O E. 10.089You inject a patient with 4 mg of inulin and find their concentration to be 1.4 mg/L. You then inject a patient with 10 mg of D20 and later find their concentration to be .23 mg/L. What would you estimate the volume of their ICF to be?a. calculate the volume of 0.1 M H2PO4– required to prepare 100 mL of your assigned buffer. b. calculate the volume of 0.1 M HPO42– required to prepare 100 mL of your assigned buffer. 1. Assigned pH Value ___6.90_________ 2. pKa Value of Assigned Buffer ___7.20_________ 3. Ratio 0.5011
- 18. A prefilled syringe contains 50 mg of lido- caine hydrochloride per 5 mL of injec- tion. Express the percentage concentra- tion of lidocaine hydrochloride in the injection. 18. 1% w/v lidocaine hydrochloride1. compute for patient B result of his chloride analysis with the following data using mg/dL unit factor: 355/ mg/dL , Absorbance sample = 0.2148, Absorbance standard = 0.3017 a. 24.8 mg/L b. 25.27 mg/dL c. 2.7119 mmol/L d. 252.7 mg/dL 2. an adult patient suffering from debilitation is supected of calcium deficiency. His doctor requested for calcium anaylusis with the following data gathered standard known value is B: Absorabance is 0.2876. sample absorbance is 0.4291 compute for the calcium in mmol/L a. 53.6mmol/L b. 5.36 mmol/L c. 11.9 mmol/L d. 119mmol/L 3. calculate the value of sodium where the PREC solution has diclored. data gathered are the following: Absorbance of Reagent Blank = 0.3124 Absorbance of sample = 0.114, Absorbance of standard = 0.275 value is 150mmol/L a. 108.2 mmol/L b. 170.4 mmol/L c. 795.72 mmol/L d. 79.5 mmol/LHow many ml are there in 2 tsp?A 60 mlB 15 mlC 30 mlD 10 mlAnswer is D.10ml? Can you help me to explain to me step by step, please
- 2. What concentration of H'(aq) corresponds to each of the following? pH = 10.92 РОН 3 4.32 РОН 3 10.22 а. b. С.As a technician in a large pharmaceutical research firm, you need to produce 200. mL of 1.00 M potassium phosphate buffer solution of pH = 6.96. The pKa of H2 PO4 is 7.21. %3D You have the following supplies: 2.00 L of 1.00 M KH2PO4 stock solution, 1.50 L of 1.00 M K2HPO4 stock solution, and a carboy of pure distilled H2O. How much 1.00 M KH2PO4 will you need to make this solution? Express your answer to three significant digits with the appropriate units. > View Available Hint(s) HẢ Volume of KH2PO4 needed = Valıxe Units SubmitYou are asked by the pharmacist to add 45 mEq of Ca Gluconate in an IV bag of D5W 1000mL. You have a concentrated vial of Ca Gluconate 4.4 mEq/mL, 50 mL. How many mL of this concentrated vial needs to be added to the IV bag?