an antibiotic suspension was prepared by adding 85 mL of distilled water to 28 gr of antibiotic powder mix. If the volume of the final product was 120 mL, the specific gravity of the antibiotic suspension is ______.
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an antibiotic suspension was prepared by adding 85 mL of distilled water to 28 gr of antibiotic powder mix. If the volume of the final product was 120 mL, the specific gravity of the antibiotic suspension is ______.
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- I had a 6.00 M NaOH solution and I diluted it to a 50mL solution of 0.300 M NaOh solution by adding 2.5 mL of NaOH and filled it up to the mark using DI water. I also had to make a 50mL of a 0.300 M NaCl solution by adding 0.8g of NaCl. I then pipet 20mL of the 0.300M NaOH solution into a small beaker and pipet 10.0mL of 0.300 M NaCl into it. What is the molarity/concentration of NaOH in the new solution I created by dilution? I need to use the formula M1V1=M2V2A 1.5L nitric acid solution was prepared by mixing 5mL of concentrated nitric acid (SG = 1.42) with sufficient quantity of water. What is the weight (grams) of nitric acid? 0.284 g7.100 g3.520 g2130.000 g What is the molecular weight of nitric acid? 64.020 g/mol 63.012 g/mol 31.014 g/mol 47.013 g/mol What is the molarity of the solution? 0.037 M 0.075 M 0.073 M 0.035 M What is the pH of the solution? 1.124 1.456 1.137 1.432 Which best characterizes the solution?Strong base Weak acid Weak base Strong acidA sample with a density of 0.502 kg/L was tested in the laboratory. Upon the arrival, a 3 uL of the sample was diluted until the volume was 250 uL. The laboratory assistant who used a different analysis method, computed the molarity of the sample solution was 0.159 M. Determine the concentration of the original sample in percent by volume in a solution (% v/v).
- A 5.04 g sample of a solid containing Ni is dissolved in 20.0 mL water. A 5.00 mL aliquot of this solution is diluted to 100.0 mL and analyzed in the lab. The analyzed solution was determined to contain 5.53 ppm Ni. Determine the molar concentration of Ni in the 20.0 mL solution. concentration: M Determine the mass, in grams, of Ni in the original sample. mass: g Determine the weight percent of Ni in the sample. weight percent: % * TOOLS x105.00 ml of the 1.0 x 10-4 M CV stock solution is first diluted to 100.ml. Then 1.00 ml pf this solution is diluted again to 50.0 ml. What is the final concentration?Part IV. Preparation of 100 mL 25% Solution X Materials: Solution X, measuring cylinder, distilled water, and parafilm. Show calculation steps. (1) Calculate the volume of Solution X required. (2) Calculate the volume of distilled water required_ (3) Deliver the calculated amount of distilled water in the measuring cylinder. (4) Add the calculated amount of Solution X to the measuring cylinder. (5) Seal the opening of the measuring cylinder with parafilm. Mix well. (6) Transfer the prepared 25% Solution X into a labelled container.
- Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%. Write the complete formula and solution in a padpaperA sample (50 mL) of a bottled water was added to a 100 mL volumetric flask and then diluted to the mark. From this stock solution, 50 mL was taken, added to a 100 mL volumetric flask and diluted to the mark. Final concentration of the serial dilution: 587.7161ppm. 1. what is the concentration in the original bottle (ppm)CI concentrated X 1. LIAIH₁ 2. H₂O* NaOH 0°C
- Biological studies have found that aqueous solutions containing as little as 28 µg of allicin per milliliter inhibit bacterial growth. Express this amount as the number of moles of allicin per liter of solution. \(28~\text{ug/mL}=\) \(text{mol/L}\) 20 F3 II F8 F4 F5 F6 F7 F9 F10 F11 F12 & %24 4. 3 5 7 9 { } P E T Y U %3D * CO R %232. An 88-pound patient will be receiving aztreonam 30 mg/kg (MAX 1 gram) in 100 mL D₁0W. MWaztreonam = 435.43 g/mol General Structure: aztreonam a. If you have aztreonam 40 mg/mL in stock, calculate the appropriate volume, in milliliters, of the stock solution the patient should receive. b. Fill in the values on the table.An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a 250.mL volumetric flash, and then adding enough water to fill the flash to the mark. What is the volume/volume percentage of ethyl alcohol in the solution?. Volume/volume percentage = ____%