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- If 400 mL of a 20% w/v solution were diluted to 2 L, what would be the finalpercentage strength?Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the HCl solution?How many liters of a 7 M NaOH stock solution would you need to make 780 mL of a 153 mM NaOH dilution? (m.w. = 40.00 g/mol)
- A patient is prescribed 15mmol of potassium chloride injection. The ampoule contains 20mmol in 10ml. What volume of potassium chloride (ml) is required? units – mlA concentrated lidocaine solution contains lidocaine 1 g/5 mL. How many milliliters of this injection should be used to prepare a 500 mL IV infusion containing 8 mg/mL of lidocaine in D5W? Do not round.You record the absorbance of your unknown BSA sample at 0.276. What is the concentration in ug/mL of the unknown assuming you have a standard curve with the line of best fit with y=0.0001x+0.0038 as its equation
- how many grams of sr(no2)2 are needed to make 200 ml of 0.300M solution of sr(no2)2How many moles of HCl are there in 75.0 mL of 0.160 M HCl?If there are 15 mL in one tablespoon, how many milliliters are contained in 3.5tablespoons of a liquid medication? (b) How many milliliters would a patientreceive if he took this dosage four times a day for one week? (c) How many litersdoes this correspond to?
- 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?50X TBE is 87 mM Tris-borate and 4 mM EDTA at pH 8.3. What is the molarity of each of the chemicals in 1X TBE buffer?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?