Phenobarbital elixir contains 4g of phenobarbital drug in a 1000ml solution. The percentage of phenobarbital is, Select one: O a. 40% ОЬ. 4% O c. 0.4% O d. 0.04%

Q: 15g of sugar was added to the 120g of 20% sugar solution, what is the percent concentration of the…

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Q: Which solution has a greater concentration, A or B? A. 0.15 mole of solute dissolved in 0.4 Lof…

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Q: In dilute nitric acid, the concentration of HNO3 is 6.00 M and the density is 1.19 g/mL. What is:…

A: Given, M = 6.00 M Density = 1.19 g/mL

Q: 3. Percent by Mass/Volume Concentration botol The label of betadine skin cleanser says 7.5 %…

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Q: How many mL of a 15% (w/v) solution must be to deliver 8.0 g of solute? administered

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A: Given volume of carbon dioxide is 4.0%.  Consider one mole of ideal gas.

Q: We dissolve 2.45 g of sugar in 200.0 g water. What is the mass percent of sugar in the solution?…

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Q: Determine the molecular weight of the given. Show complete detail of solution. A. Potassium…

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Q: 01F an aqueous solution orKCI (Mular mass: T4.533/m) has a concentration of 4.50m. What would be the…

A: Concentration of KCl = 4.50 mol/kg it's means 4.50mol of KCl dissolved in 1kg of water mass.  Mass…

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A: Given that the initial molarity of stock solution of HNO3 is 6.649 M. It has been diluted to 100 mL.…

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Q: A seizing patient needs an emergency injection of 10.0 mg of diazepam (C₁₆H₁₃N₂OCl; note: the last…

A: The given weight of diazepam is 10 mg.It is known that 1 mg = 10-3 g. Therefore, 10 mg = 10×10-3 g…

Q: Q-6- ASElufion Contains 41o.3 grams of Hz So perliter of Solution at 20°c If the density is…

A: Molality: In 1000 mL or 1L of the solution, the number of moles of the solute present is called the…

Q: A 10 ml solution of 3 M HC1 is diluted to 50mL. what is the concentration of the 50mL solution?

A: Given information: Concentration of solution 1 = 3 M Volume of solution 1 =10 ml Volume of solution…

Q: 21/ The molarity and Normality for 250 * ?ml of 1.05% NaHCO3 0.05, 0.05 U.1, 0.05 0.05,0.1 O Qz/…

A: 1. Given volume of NaHCO3 solution is 250mL. Concentration of NaHCO3 solution is 1.05%(m/V). What is…

Q: t of methanol is 64.7C. A solution containing a nonvolatie solute dissolve ethanol in this solution?…

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Q: A1 75 liter bottle of vinegar has a percent by volume of 5.5%. How many liters of vinegar (CH CO0…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: A biologist wants to make 345mL of 0.03M HCL by diluting a 6M HCL stock solution. How many mL of the…

A: Initial concentration= 6.0 M Final concentration= 0.03 M Final volume= 345 mL Molarity equation,…

Q: How many mL of a 5.0M stock solution is needed to make the following final solutions? a. 5.3 L of a…

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A: Here, the final solution volume is 10 mL.

Q: How would you prepare the following aqueous solutions?(a) 1.40 L of 0.288 MKBr from solid KBr(b) 255…

A: a) To calculate the amount/weight of solid KBr that is required to make a solution of 0.288 M in 1.4…

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A: In the given question we have to calculate the molar concentration of given solution contain H2SO4 .…

Q: Calculate the molarity (M) of 34% aqueous H3PO4 solution (d=1.2g/ml). (P:31, O:16 H:1 g/moles)

A: 100 g of solution contains 34 g H3PO4. Density of solution = 1.2 g/mL=1200g/L   [ 1mL=10-3L] Now…

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Q: How many mL of concentrated solution are requiered to dilute: a) 18M H2SO4 to 350mL of 5.0M H2SO4…

A: The given problem relates to dilution from concentrated stock solution , so we can use the below…

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A: The homogeneous mixture of two or more substances is known as a solution. The substance present in a…

Q: For each of the following HCl solutions, the moles are grams of solute present and the total…

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Q: How many mL of concentrated solution are required to dilute: a. 18M H2SO4 to 350mL of 5.0MH2SO4.…

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Q: The mole fraction of CaSO4 in an aqueous solution is 0.015. What is the percent by mass of calcium…

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Q: 5. 320g of MgCl2₂ was used to make 0.5 M solution. What volume of solution would have been made.…

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Q: Write a step by step procedure for the preparation of 100 mL of 0.2 M CH3COOH solution. You will…

A: Given,V1 = 100 mlN1 = 0.2 MN2 = 0.83 MV2 = ?

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Q: What is the number of moles of glucose (CH₂O) in 0.500 L solution? of a 0.40 M

A: Given, Molarity of glucose (C6H12O6) solution = 0.40 M = 0.40 mol/L Volume of glucose (C6H12O6)…

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Q: A. Pressure B. Nature of solute D. None 18. The volume of 4N HCl and 10N HCI required to make 1 L of…

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Q: Evaluate the ml of solute required to prepare 0.75 L of a solution prepared at 7.40% v / v

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Q: A 100 mL-solution has 50 g KNO3 at 20oC. Would this solution be saturated or unsaturated?

A: From the given graph we can clearly sea that the solubility of KNO3  is nearly around 33g per 100g…

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Q: How many milliliters of 0.1M aqueous Sodium Hydroxide solution can be prepared from 10 gm ?of Sodium…

A: Given information,  The concentration of the solution = 0.1 M   The mass of NaOH = 10 g

Q: Prepare 200 mL of a 5% solution of sulfuric acid using a 50% sulfuric acid solution

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Q: How many mL of concentrated solution are required to dilute: a. 18M H2SO4 to 350mL of 5.0MH2SO4. b.…

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Q: A biologist wants to make 382mL of 0.04M HCl by diluting a 5M HCl stock solution. How many mL of the…

A: Given that : Molarity of HCl = 0.04 M Volume of HCl = 382 mL = 0.382L Number of moles of HCl =…

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Q: What is the percent concentration by volume of wine made by mixing 37 mL ethyl alcohol and 120 mL…

A: All the necessary calculations have been done in the following step.