ASK 1: Prepare a 0.020 M Cupric Sulfate Solution. Capacity of volumetric flask provided: 50 mL Calculation of mass required: *(MM = 249.68 g/mol) Show how you will prepare this.
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TASK 1: Prepare a 0.020 M Cupric Sulfate Solution.
Capacity of volumetric flask provided: 50 mL
Calculation of mass required: *(MM = 249.68 g/mol)
Show how you will prepare this.
TASK 2: Preparation of a Dilutions of 0.020 M Cupric Sulfate
Dilution 1 - Prepare a 1:2 dilution of 0.020 M Cupric Sulfate for a final volume of 200 mL.
How much stock is required to make this solution?
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- The doctor ordered Oxacillin 650mg every 6 hours. The instructions on the 2gm vial states to reconstitute with powder with 11.5ml of sterile water for injection, yielding 220mg/1.5ml. How many ml will you administer? using dimensional analysis and show workInstruction: Answer any TWO (2) Questions 1. Calculate the pH of an acetate buffer prepared by dissolving sodium acetate (5.21 g) and acetic acid (2.19 g) in distilled water in a volumetric flask (1L) filled to the mark. (CH;COOH = 60, CH3COO'Na* = 82, Acetic acid pKa = 4.76)Order: DTIC-Dome (dacarbazine) 200 mg/m2 IV for 5 days. The label on the vial reads 500 mg, and the manufacturer's directions state to reconstitute with 9.9 mL of sterile water for injection, yielding a strength of 50 mg/mL, further dilute in 250 mL of D5W, and infuse over 60 minutes. Calculate the rate of flow in milliliters per hour for a client who weighs 80 kg and is 150 cm tall.
- 18 Students were provided with cubes of slightly alkaline gelatine of different dimensions, containing an acid-alkali indicator that is red in alkali but yellow in acid. The cubes were placed in dilute acid solution, and the time taken for the colour in the gelatine to change from red to yellow was measured. Dimensions/mm Surface area/mm² Volume/mm³ Time/minutes 10 x 10 x 10 600.0 1000.0 12.0 5x 5 x5 150.0 125.0 4.5 4 x 4 x 4 96.0 64.0 4.2 2.5 x 2.5 x 2.5 a For each block, calculate the ratio of surface area to volume (SA:V). b Plot a graph of the time taken for the colour change (vertical or y axis) against the SA:V ratio (horizontal or x axis). c Explain why the colour changes more quickly in some blocks than others. 37.5 15.6 4.0A 5% dextrose in 1/2 normal saline (D5 1/2 NS) solution is commonly administered to patients needing post-operative IV fluids. How could you prepare 500 mL of this solution? Dextrose is 5% (m/v) and the NaCl is 0.45% (m/v).A nurse wants to know the what volume of Water for Injection, BP to be added to a vial containing 500mg doxorubicin to produce an injection with a concentration of 2.5 mg/mL. The displacement volume of doxorubicin is 0.3 mL/10 mg.
- 8 Imipramine liquid contains 5mg/1mL. A patient requires 100mg twice daily. How many mL will they require per dose? Please give your answer as a whole number Answer: ml Show CalculatorAn order was received for 750 mL of 7.5% dextrose solution using 5% D5W and 20% D20W. How many parts of each dextrose solution is needed?(round answers to the nearest tenth)5FU as IV push is ordered for a patient whose height is 60.5 inches and weight is 123.4 pounds. 5FU is available as 50 mg/mL in 10 mL vials. How many mL will the patient require?
- Question: The nurse has a prescription for vancomycin 750mg in 250ml of 0.9% sodium chloride over 120 minutes every 12 hours. Calculate the ml/hr round to the whole numberSolution Absorbance mg/ml aspirin Standard solution - 1.6 mg/mL A 0.638 0.08 mg/mL B 0.504 0.064 mg/mL C 0.376 0.048 mg/mL D 0.259 0.032 mg/mL E 0.126 0.016 mg/mL A = -log T where T = %T ÷ 100 Construct a callibration curve using the above data. Absorbance should be on the vertical axis and "mg/mL of acetylsalicylic acid" on the horizontal axis. The line should go through the origin. Using the data provided, the graph you have generated, and the procedure that was used to generate the solutions which were examined by spectroscopy, calculate the amount of acetylsalicylic acid per tablet. Commercial tablet 1 labelled as 100 mg enteric coated Absorbance = 0.16 Commercial tablet 2 labelled as 300 mg Absorbance = 0.45 Student prepared tablet from practical 5 Absorbance = 0.19 Using the data provided, the graph you have generated, and the procedure that was used…Desired Desired Initial Volume of Stock or Volume of Concentration Volume Concentration Previous Dilution Distilled Water (C2) (V2) (C1) (V1), µL (V2- V1), µL 100 mg/dL 1.2 mL 200 mg/dL 75 mg/dL 1.2 mL 100 mg/dL* 50 mg/dL 1.2 mL 25 mg/dL 1.2 mL