Calculate the pk, of an acid with Ka = 7.77 x 104.
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- What is the pH of a cleaning solution with a [H3O*] = 7.4 x 10-10 м НзО"? А. 7.4 В. 7.13 C. 8.13 D. 9.00 E. 9.13PROBLEM 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)Determine the maximum velocity of the uninhibited reaction at 30 °C
- An IV infusion is to contain 40 mEq of potassium ion and 10 mEq of sodium ion in 500 mL of D5W.Using a 20% w/v potassium chloride injection (MW 74.5, valence of 1) and 0.45% sodium chlorideinjection (MW 58.5, valence of 1), how many milliliters of each should be added to the 500mL bag ofD5W to supply the required ions?пgусетае mez i9owss2 to yliznsb 9di 11.Which of the following devices will allow measurement of a liquid's volume with the greatest accuracy and precision? a. 50 ml cylinder graduated in 0.5 mL increments b. 100 mL cylinder graduated in 1 mL increments c. 100 mL cylinder graduated in 10 mL increments d. 20 mL cylinder graduated in 5 mL increments I. chose A whch is corre t Water Mo Cohesion rBSA mg/ml O.D. 550nm 1 0.12 2 0.23 3 0.34 4 0.41 0.52 Use the values above to draw a graph
- 3. Bacteria that have a composition of CSH702N. Determine the BOD for 30mg/L, following the following formula: CsH,02N + 02 CO2+ H20+ NH3 NH3 + 02 = N03+ H +H20 concontrntion in nartYou 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?58. Calcium hydroxide topical solution con- tains 170 mg of calcium hydroxide per 100 mL at 15°C. Express this concentra- tion as a ratio strength. 58. 1:588 w/v calcium hydroxide
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