Which two components would you predict to make a solution: water/methyl alcohol (CH3OH) hexane (hydrocarbon)/water hexane/hexane a. b. c. d. both a and c

Q: 5. Determine how many grams of K2Cr207 would be needed to make 250 mL of a 0.10M solution. 6. How…

A: Molarity :-  The number of moles of solute present in dissolved state in one litre of solution is…

Q: If you have 6 mL of acetone, how much water is needed to be mixed in to make a 7.5% acetone-water…

A: Given, 7.5 % acetone-water solution

Q: How much of a 31.0 M hydrochloric acid solution would you dilute to prepare 50.00 mL of 4.00 M HCl?…

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Q: How do the boiling points and freezing points of 0.10 m Nacl compare to those of 0.10 m glucose? A…

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Q: how many mL of .536 M CaCl2 are needed to prepare 250mL of 175M aqueous solution calcium chloride

A: The volume required is calculated below.

Q: What is the freezing point of a solution

A: ∆Tf = i×Kf×m  ∆Tf is the depression in freezing point  i is the Van't hoff factor  Kf is the molal…

Q: A 100 mL solution was prepared by dissolving 10.00 g of Cas04 (MW= 136. 14 g/mol) in water. The…

A: Colligative properties are those properties which depend upon the number of solute particles.…

Q: how much 2% glucose solution can be made from 50mL of 35% glucose solution

A: Given: Initial concentration of glucose solution = 35 % Concentration after dilution of glucose…

Q: You are examining forensics data for a court case and need to identify an analgesic (pain killer).…

A: Given, mass of unknown is 10 g and it is diluting to 250 ml ,  Density of the solution is 0.800 g/ml…

Q: A certain liquid X has a normal freezing point of −7.30°C and a freezing point depression constant…

A: δTf = i x Kf x m----(1) where  δTf = To - Ts  To = freezing point of pure solvent =  −7.30°C Ts…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C2H6O2) in 85.4 ml of water.…

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Q: What is the volume of a 20% methyl solution that contains 15mL of methyl? a. 6 ml of methyl b. 4 mL…

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Q: What volume of a 0.85M stock solution would be needed to prepare 4.5 L of a solution at 0.30M…

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Q: A solution of toluene in 301g of cyclohexane has a boiling point of 90.3 degrees C. How many moles…

A: The elevation in the boiling point (b.pt) of cyclohexane (ΔTb) is calculated using equation (1) in…

Q: Given the amount of solute 30 mL isopropyl alcohol and the amount of solvent 70 mL water, what is…

A: Given,  Volume of solute that is isopropyl alcohol = 30 mL  Volume of solvent that is water = 70 mL…

Q: 1. Explain why coconut oil and palm oil are immiscible and miscible at a particular solvent.

A: Explain

Q: The solubility of most gases in water decreases as the temperature increases because water is…

A: Solubility is defined  as ability of a solid, liquid, or gaseous chemical substance to dissolve in…

Q: 8. What amount of water would you need to add to 45mL of a 5M solution to create a new solution with…

A: Applying formula M1V1=  M2V2

Q: A certain liquid X has a normal freezing point of -3.10 °C and a freezing point depression constant…

A:

Q: Calculate grams of sucrose that must be added to 485.2 grams of water to prepare a 53.32 % by mass…

A: Given % by Mass solution = 53.32 %Mass of water = 485.2 gGrams of sucrose needed = To be determined

Q: 21. what would be the mass percent of a solution made by dissolving 22.1 g of NaCI in 33.4 g of…

A: We have to predict the mass percent of solution.

Q: 144. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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Q: 250. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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Q: A 500g alcohol solution contains 150g ethanol. What is the mass percent of the solvent?

A: A solution is made up of solute and solvent. And solute is present in less amount in comparison to…

Q: Twenty percent salt solution (%20)means that: 20 grams of salt dissolved in .A 100g of water .B 90g…

A: The solution composition can be described in mass percentage which shows the mass of solute present…

Q: 2. Use the following information to answer the questions below: Density of carbon tetrachloride is…

A: Density of carbon tetrachloride = 1.584 g/cm3  1 cm3 = 1mL

Q: Can u answer this 2 questions please and show your complete solution please thank you 5. A water…

A: Given :  5. Concentration of chloroform = 9.5 ppb  Volume of water = 250 ml  6.  Concentration of…

Q: 11. 159.00 mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: The molar mass of the unknown protein has to be calculated

Q: How is concentration of solution used in everyday life? Give at least three examples.

A: The concentration of the solution defines the amount of solute dissolve the given amount of solvent.…

Q: How do the boiling points and freezing points of 0.10 m NaCl compare to those of 0.10 m glucose?…

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Q: A solution prepared by dissolving 0.02 g of unknown substance in water and diluting to a volume of…

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Q: A certain substance X has a normal freezing point of-8.4 °C and a molal freezing point depression…

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Q: An aqueous CsCl solution is 8.00 wt% CsCl and has a density of 1.0643 g/mL at 20°C. What is the…

A: Tb(solution) - Tb(solvent) = Kb x Molality Molality = Number of moles of solute/Mass of solvent in…

Q: 128. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

A: The mass of the unknown protein dissolved in 5.00 mL of solution = 128 mg The osmotic pressure of…

Q: ffect of a solute on the boiling point of a solvent. mHg 40 60° 80" Temperature (°C) 100 X mm Hg 120…

A: Given,  Mole fraction of solute = 1 - 0.8 = 0.20 Vapor pressure of water(P°) = 157 mm

Q: The molecular weight of nicotine is 160 g/mol. A solution is prepared by dissolving 0.60 g of…

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Q: A solution made by dissolving 7.58 g of a nonvolatile, nonelectrolyte organic compound in 90.0 g of…

A: The molecular weight of the solute can be calculated by using the colligative properties, elevation…

Q: How many moles of NaCl are contained in each volume of aqueous NaCl solution? a. 2.0 L of a 2.0 M…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: moles of KMnO4 are in 5.53 g

A: Number of moles = mass/molar mass Volume is directly proportional to temperature at constant…

Q: Alligation Medial and Alligation Alternate. Show your complete solution. 1. How many mL of 70%…

A: Given, Concentration of alcohol = 70% and 30% Required volume of solution = 100 mL Required…

Q: A certain liquid X has a normal boiling point of 141.90 °C and a boiling point elevation constant K,…

A: To determine the change in temperature after adding solute(urea) in the solvent liquid X Formula…

Q: If potassium nitrate (KNO3; FW 101.1 amu) was combined with a known volume of cyclohexane (C6H12; FW…

A: Colligative properties of solutions are those properties which depend on the amount of solute added…

Q: 20 cm3 4.0 M potassium-chloride solution is diluted to five-fold volume with distilled water. How…

A: Given: The volume of the solution to be diluted= 20 cm3. The concentration of KCl stock solution=…

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

A: Concentration or Molarity is defined as “the mole of the solute per unit volume of the solution”. It…

Q: 173. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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Q: . A true solution is homogenous and said to have only one phase. What is a “phase”? 2. Do you think…

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

Q: A certain liquid X has a normal boiling point of 117.90 °C and a boiling point elevation constant…

A: Solution :       The boiling point of a liquid is defined as the temperature at which its vapor…

Q: 1. How do solutions differ from compounds? From other mixtures?

A: A compound is a pure substance that is composed of elements bonded chemically but solution is a…

Q: 391. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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Q: Calculate the freezing point of solution given below. A solution is prepared by condensing 4.00 L of…

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