How would you make 350 mL of 26% (w/v) NaCl? (Be sure to include final volume of water needed)
How would you make 350 mL of 26% (w/v) NaCl? (Be sure to include final volume...
How would you make a 350 ml solution of 2% Glucose (MW = 180.16) in water? A) 2 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. B) Add 350 ml of distilled water to a beaker. Add 7 grams of glucose. C) 7 grams of glucose into 300 ml of water. Bring up to 350 ml total volume. D) Add 350 ml of distilled water to a beaker. Add 20 grams glucose.
You start with a 4M stock solution of NaCl, you need to make dilutions to obtain various working solutions. Describe how you would make 100 mL of a working solution that has a final concentration of 1M. Be sure to include the volume and concentration of the components.
ethyl alcohol stock solution: 6.0% (w/v) Needed final concentration: 0.30% (w/v) Needed final volume: 50.0 mL 1. Calculate the number of grams of ethyl alcohol in 2.5 mL of stock solution. 2. Calculate the number of grams of ethyl alcohol in 50.0 mL of prepared final solution.
How much NaCl (58.44 g/mol) would be needed to make 500 ml of a 2mM NaCl solution?
2. What is the volume of sterile purified water and 0.9% w/v sodium chloride solution needed to prepare 30 mL of a 2% w/v solution of tobramycin for ophthalmic use? • Step 1: Calculate the tonic contribution provided by the tobramycin (FDP 1% tobramycin = 0.04°C) Step 2: Calculate the amount of NaCl necessary to render this product isotonic Step 3: Your source of NaCl is 0.9% NaCl. What volume of the 0.9% NaCl solution will yield the calculated amount...
17. What volume of 0.345 M NaCl solution is needed to obtain 10.0 g of NaCl? 18 How many milliliters of a 0.0015 M cocaine hydrochloride (C17H22ClNO4) solution is needed to obtain 0.010 g of the solute? 19.. A solution having an initial concentration of 0.445 M and the initial volume of 45.0 mL is diluted to 100.0 mL. What is its final concentration? 20. A 50.0 mL sample of salt water that is 3.0% m/v is diluted to 950...
Calculate the weight/volume (w/v) percent of 15 g of sucrose in 350 mL of solution.
how many millimeters of a 90.0% (w/v) NaCl solution will you need to prepare 500mL of a 0.225% NaCl solution? What amount of NaCl (MW 58.44) in grand must be combined with water to prepare 1000mL of a 0.90% (w/v) normal saline solution? What amount of NaHCO3 (MW 88.01) in grams is needed to prepare 5000mL of 0.024 M solution? Please explain - thank you!
Calculate the final volume needed to prepare 0.20%(w/v) Kif we start with 10.0 ml. of 2.0 %(w/v) KI. Vf - Inome How many equivalents of calcium ions are present in 25.0 ml blood serum with a calcium ion concentration of 5.2 mEq/L? olutions, Osmosis, and Dialysis Lab dabce - page 10
Be sure to answer all parts. How would you prepare 315 mL of a 0.886 M NaOH solution, starting with a 4.52 M stock solution? Volume of stock solution needed: ?mL Volume of water needed: ?mL