How many milligrams of sodium chloride and lincomycin are required to prepare 100 mL of a 1% lincomycin isotonic with the blood?      ∆Tƒ of NaCl = 0.58     ∆Tƒ of Lincomycin = 0.09     E value of Benoxinate = 0.17          E value of Flourescein = 0.31     E value of Brimonidine = 0.13            E value of Timolol = 0.14         E value of Chlorobutanol= 0.24    E value of zinc sulfate = 0.16        E value of boric acid = 0.52

Q: The portion of the condensed vapor is returned as a reflux to the rectification column is to. O a.…

A: Ans : A        Enrich the less volatile component in the liquid

Q: A 1.25 Msugar (C12H22O11) solution has a density of 1.12 g/mL. What is the molality of this…

A:

Q: Estimate the concentration of ethylbenzene in fish tissue in a lake with a concentration in water of…

A: Ethylbenzene concentration in water = 120 mg/L

Q: Show all work, include units, keep work as precise as possible and only apply sig figs to report…

A: Given that: Concentration of nitrous acid (HNO2) solution = 0.75 mol/L Volume of HNO2 solution =…

Q: strawberries contain about 15% wt solids and 85% wt water. to make strawberry jam, crushed…

A: Given that  Strawberries contain   15% wt solids 85% wt water 1 kg Jam  which contain one-third…

Q: Unobtainium has a solubility of 3.0 g/100 mL in water and 30.0 g/100 mL in ether. What weight of…

A: Given: Solubility of Unobtainium in water Sw = 3 g/100 mL water and; Solubility of Unobtainium in…

Q: Homework Q1:- prepare 0.7% potassium Chloride (KCI) in 0.3 liter ?

A: Given  X = 0.7 % Total volume (V) = 0.3 Liter Final volume (Vf) = ?

Q: Household bleach is typically a 5.25%solution of sodium hypochlorite in water. How manygrams of…

A: Concentration of NaoCl in bleach, xN=5.25% Volume of the household bleach, V=300 ml Assume density…

Q: Caffeine solubility in ethanol · 1g /22 mL in Boling ethanol · 1g/66 mL in room temperature ethanol…

A: Solubility of caffeine in boiling ethanol = 1 g/22 ml Solubility of caffeine in room temperature = 1…

Q: In a titration , 25.0 cm³ of 0.100 M sodium hydroxide solution is fully neutralized with 20.00 ml of…

A: The concentration of the HCl solution is to be determined.

Q: Reconsider Prob. 14–54. Using EES (or other) software, plot the highest rate of hydrogen loss as a…

A: Given data: Thickness of the pipe = 1 cm Inner Diameter of pipe = 3 m Pressure = 500 kPa Mole…

Q: 1) Calculate the amount needed in grams to make five liters of a 0.175 M NaCl solution? Please show…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: Predict the value of DAB for the system CO-CO₂ at 296.1K and 1.0 atm total pressure.

A:

Q: QUESTION 18 How many grams of sodium acetate (C,H,0,Na) need to be dissolved in 180 mL of a 0.377 M…

A: Given, Volume of acetic acid=180  mL=0.18 L Molarity of acetic acid=0.377 M

Q: A 0.5 g sub-sample of lake sediment was digested in 10 mL of nitric acid, and then diluted by a…

A: Given data :   Weight of sediment sample = 0.5 gm The volume of HNO₃ used for digestion of sample =…

Q: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: Initial concentration=70%v/v Density of ethanol=0.789h.mL Molecular weight of ethanol=46g/mol TO…

Q: 3 days ition in 23.22 The following dissolved-oxygen values were 310-mL BOD bottles: 7.7, 7.9, and…

A: BOD- BOD is a measurement of the quantity of oxygen needed for aerobic bacteria (those bacteria that…

Q: As nitrogen 1s not used in the reaction, so nitrogen needs to be purged out

A: (a.) streams entering the reactors are fresh feed and the recycle stream. overall balance, reactor…

Q: What is the molar concentration of 250. mL H3PO4 is needed to reach the equivalence point with 500.0…

A: This question is based on the concept of molarity. Data given: Volume of H3PO4  = 250 mL…

Q: What is the pH of the solution if 100.0 ml of 0.100 M HCl is titrated with 99.9 ml of 0.100 M KOH?

A: Given that- Volume of HCl (strong acid)=100 mL= 0.1 L Concentration of HCl= 0.100 M Volume of KOH…

Q: The concentration of potassium ions in seawater is approximately 0.049 %(m/v). How many grams of KCl…

A: Given that, m/v = 0.049% Volume of water = 1.0 L = 1000 mL It is required to calculate the grams of…

Q: Calculate the pH of the 1L buffer composed of 500 mL of 0.60 M acetic acid plus 500 mL of 0.60 M…

A: Ans a)      mole of CH3COOH = 500×.60                                     = 300 mmolmole of CH3COO-…

Q: Design the Absorption system to absorb (HCI + Cl2) gas mixture. Feed Gas: 800 kg/hr of HCI & 900…

A: Absorption system Feed-HCl+Cl2+air Solvent-pure water HCl=800 kg/hr Cl2=900 kg/hr Air=300 kg/hr…

Q: How many grams of barium sulfate will form when 35 mL of 0.160 M barium chloride reacts with excess…

A:

Q: Use the data on the table to calculafe the % NaOCi in orig 2.3 g 25 ml Mass of original bleach…

A: mass of original bleach= 2.3 g volume of bleach solution= 25 ml initial burette readingNa2S2O3= 2.5…

Q: 4. Calculate the volume in L of 10.38 g of diethyl ether, an anesthetic that has a density of 0.713…

A: Given data: Mass of diethyl ether = 10.38 gm Density = 0.713 gm/ml Find the volume

Q: Calculate the pOH if you titrate 10.00 mL of 0.00101 M potassium acetate with 3.00 mL of 0.00404 M…

A: Volume of potassium acetate = 10 ml = 0.01 L Molarity of potassium acetate = 0.00101 M  Volume of…

Q: Inhalation of PM2.5 can be prevented by wearing face masks.   True or False

A: Given that if we wear face mask then can it prevents from PM  2.5

Q: A 70-kg individual drinks 2 L/day of water containing 0.10 mg/L of tetrachloroethylene for 12 years.…

A: Given that- Weight of individual, BW= 70 kg Contamination rate of tetrachloroethylene, C=0.10 mg/L…

Q: single-pass conversion

A: Recycle is involved in reactor systems to increase the overall conversion of reactor. Maximum…

Q: The ppm concentration of 4.00 mL sample of solution that has 1.6 x 10^-4 g of sodium lons is 40000…

A: The volume of the solution, V = 4.00 mL Mass of the sodium ions in the solution, m = 1.6 x 10-4 g

Q: Calculate mole flux rate across the length 1 mm for He and N2 mixture for which concentrations are…

A:

Q: 1- Why HCI is not primary standard solution?

A: Since we are entitled to answer only 1 question, we will answer the first one as it is not mentioned…

Q: Calculate the percentage ionization of acetic acid in solutions having concentrations of 2.0 M, 0.20…

A: Given data: Solution of acetic acid with differing concentrations is given.

Q: How many moles of MgCl₂ are present in 54.0 mL of 0.135 M MgCl₂ solution?

A:

Q: How do you calculate the osmolarity of a solution that contains 6.5 grams of MgCl2 in 1,000 ml of…

A: Osmotic concentration is expressed as in terms of osmolarity of a solution. Osmolarity of a solution…

Q: A sample of a crude grade of sodium hydroxide is sent to a laboratory to be tested for sodium…

A: Given that, Mass of NaOH content sample= 4.500 g Volume of solution= 500 mL ( water solvent)…