Usinfg the formula: SI V1=S2 V2
25X 250=0.9X V2
=6944 ml will be required. to add in the given stock solution to make it isotonic.
2. How many milliliters of water must be added to 250mL of a 25% (w/v) stock...
How many milliliters of a 10% w/v antiseptic lotion must be added to 450 mL of a 30% w/v antiseptic lotion in order to prepare a 25% antiseptic lotion? How is this solved? Answer should be 150
28 How many milliliters of a 4.0% (w/v) solution must be used to prepare 250 mL of a 0.080% (w/v) solution? A 5.0 mL B 2.5 mL 0.50 mL D 25 mL
Isopropyl alcohol is mixed with water to produce a 38.0% (v/v) alcohol solution. How many milliliters of each component are present in 875 mL of this solution? Assume that volumes are additive. alcohol: mL water: ml The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abbreviation (w/v) is also common. How many grams of sucrose are needed to make 695 mL of a 38.0% (w/v)...
How many milliliters of 85 percent (w/w) H3PO4 must you dilute with water to prepare a total volume of 800.0 mL of 7.00 M H3PO4? The specific gravity of the concentrated solution is 1.69.
How many milliliters each of purified water and an isotonic sodium chloride solution should be used to prepare 30 mL of a 1% w/v isotonic solution of fentanyl citrate (E = 0.11)? please may have explanation step by step
How many milliliters each of purified water and an isotonic sodium chloride solution should be used to prepare 30 mL of a 1% w/v isotonic solution of fentanyl citrate (E= 0.11)? Separate each volume by a comma. I need help with this problem. Can you please show me step by step on how to solve this. Thank you.
8-67 For each of the following solutions, how many milliliters of water should be added to yield a solution that has a concentration of 0.100 M? 8-69 Determine the final concentration of each of the following solutions after 20.0 mL of water has been added. a. 30.0 mL of 5.0 M NaCl solution b. 30.0 mL of 5.0 M AgNO, solutionc. 30.0 mL of 7.5 M NaCl solution d. 60.0 mL of 2.0 M NaCl solution 8-115 At a given temperature, which of...
please do all parts and hurry
Part 1.
part 2.
part 3.
7. A pharmacist dissolves 18 g of potassium iodide (KI) in 300 ml of water. How many mEq/L and mosm/L are in the solution? (KI m.w. 166) a. How many mol/L of Kl are in the solution? b. What is Eq/mol conversion factor for KI? How many Eq/L of Kl are in the solution? What is the Osm/mol conversion factor for KI? How many Osm/L of KI are...
How many milliliters of 1.92 M NaOH must be added to 1.00 × 102 mL of 0.16 M NaH2PO4 to make a buffer solution with a pH of 6.50? _____________ml
How many milliliters of 1.18 M NaOH must be added to 125 mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 6.90?