What will happen if the water completely evaporates and was not replaced immediately? How will this affect the computed titer of Benedict’s reagent?
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What will happen if the water completely evaporates and was not replaced immediately? How will this affect the computed titer of Benedict’s reagent?
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- Which is the buffer region in the titration curve below?The physician has ordered 500,00 units of IV Pfizerpen every 4 hours. How much diluent will you add for a concentration of 500,000 units/mL? How many milliliters will you administer?If a 250 ml solution of ethanol in water is prepared with 4 ml of absolute ethanol (100%), what is the dilution factor?
- What are the buffering ranges for this titration curve? Please tell the ranges and indicate on the graph where they are. Thanks!439 mL of 0.270 M hydrochloric acid is exactly neutralized with 0.920 M potassium hydroxide solution. What volume of base solution is required?How will you dilute 100 μl of 25 mg/ml BSA into a final concentration of 2 mg/ml BSA?
- If the shown serial dilutions are performed, starting with a 5M stock of sodium acetate, what is the cumulative dilution in the final tube? What is the concentration of sodium acetate in the final tube?If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1 mL of 2.4 x 10^4 bacterial suspension, what size of volumetric flask will she/he be needing?If you have 50 ml of pure stock formalin solution how many ml of diluent will you need? What is the total volume of the reagent used you have prepared? Write down your answers with complete solutions and correct labels.