Calculate the volumes, in mL, of: ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water to obtain 2 L of 1.65M solution. -concentrated hydrochloric acid solution   (HCl, 36% by mass, ρ = 1.18 g/ml) that must dissolve in water to obtain 500 ml of 0.234 M HCl solution.

Q: The molecular weight of glucose is 180g/mol. To prepare a stock solution of glucose, you dissolve…

A: First of all we have to calculate the concentration of the solution. From that we can calculate the…

Q: An ethylene glycol solution contains 21.2 g of ethylene glycol (C,H,O2) in 85.4 mL of water.…

A: The freezing point of a solution is determined by: ∆Tf = Kfm The given information is: Mass of…

Q: How many liters of a 3.66  M M K2SO4K2SO4 solution are needed to provide 76.2  g g of K2SO4K2SO4…

A: Let the volume of solution of 3.66 M be V    We know that Molarity of a solution is the number of…

Q: Calculate the mass percent by volume (% w/v , in g/100 mL) of 42.6 g of glucose in 325 mL of…

A: Mass of glucose = 42.6 g Volume of solution = 325 mL

Q: To what final volume should you dilute 50.0 mL of a5.00 M KI solution so that 25.0 mL of the diluted…

A: Molarity can be calculated by dividing number of moles by volume of the solution and number of moles…

Q: Calculate the freezing point of a 1.86 M solution of MgCl2 in water. MgCl2 is a strong electrolyte

A: Applying concept of dipression in freezing point. ∆Tf= i×Kf× m

Q: Two beakers are placed in a small closed container at 25 °C. One contains 226 mL of a 0.255 M…

A: The objective of the question is to calculate the final volume and the concentration.

Q: Calculate the mass percent of a NaClNaCl solution in which 108 gg of NaClNaCl is dissolved in 4.72…

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Q: A student dissolves 9.4 g of glucose (C6H₁206) in 375. mL of a solvent with a density of 1.06 g/mL.…

A: Mass of glucose dissolved = 9.4 g Volume of solvent = 375. mLdensity of the solvent = 1.06 g/mL

Q: What mass (in grams) of potassium hydrogen phthalate (KHP) would you need to make 250.0 mL of a…

A: Molarity :- It is the number of moles of the solute dissolved per liter of the solution. It is…

Q: (C6H12O6-H₂O) per 100.0 mL of solution. Assuming a density of 1.01 g/cm³, calculate the molarity and…

A:

Q: The molarity (M) of an aqueous solution containing 6.28 g of sucrose (C12H22O11) in 480 mL of…

A: Molarity can be defined as the number of moles of solute present in one liter of solution.  In other…

Q: In a 70% by mass of isopropyl alcohol (molar mass - 60.1 g/mol) aqueous solution, what would be…

A: As here 70% by mass of Isopropyl alcohol is in aqueous solution. 70% by mass of Isopropyl alcohol…

Q: An effective germicide used in laboratories is a 70.0% v/v ethanol solution. This (v/v) means the…

A: We have to use unitary method for this.

Q: The density of the concentrated HBr solution of 48% by mass is 1.50 g / ml.  a) How many grams of…

A:

Q: A student dissolves 19. g of biphenyl (C12H10) in 425. mL of a solvent with a density of 1.12 g/mL.…

A:

Q: Calculate the molar solubility in M for Mn(OH)2 in 0.1 M KI. Take activity into consideration. Hint:…

A: Formula used :-  Ksp = 4s3

Q: A student dissolves 9.2 g of aniline (C6H5NH₂) in 500. mL of a solvent with a density of 1.10 g/mL.…

A: The question is based on the concept of molarity. molarity is a method of expressing concentration…

Q: Calculate the molarity of a phosphoric acid (H3PO4) solution that is 84% by mass phosphoric acid and…

A:

Q: Calculate the number of grams of copper (II) sulfate pentahydrate, CUSO-5H0, re 100.0ml of the…

A: Molar mass of CuSO4.5H2O=249.5g/mol Volume of solution =100.0 mL Molarity of solution = 0.200M Mass…

Q: An aqueous solution has 0.0065 g of oxygen dissolved in 2.5 L  of water. Calculate the dissolved…

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Q: A beverage contains tartaric acid, H2C,H,O6 , a substance obtained from grapes during wine making.…

A: The molality is equal to the ratio of the number of moles of solute to the mass of solvent in kg. It…

Q: 25.0 % (w/w) solution of aqueous HCl.

A: Chemical reactions are written in terms of moles of reactants and products. Different concentration…

Q: An aqueous solution is 20.0% by mass of sodium thiosulfate pentahydrate, Na, S2 O3-5H2O. What is the…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Alcoholic beverages come in many different concentrations denoted by their weight percent (w/w). If…

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Q: An ethylene glycol solution contains 27.8 g of ethylene glycol (CH,O2) in 79.2 mL of water (density…

A:

Q: Calculate the mass percent by volume of 44.1g of glucose (C6H12O6, MM=180.2 g/mol) in 325 mL of…

A:

Q: A solution is prepared by dissolving 28.4 g of glucose (C6H,206 ) in 355g of water. The final volume…

A: Concentration or Molarity is given as below formula  Concentration of substance A = ( Number of…

Q: The density of water at 25 degree Celcius is at 0.9975 g/ml and the density of ethanol, C2H5OH, is…

A: Given that : Density of water = 0.9975 g/mL Density of ethanol = 0.786 g/mL Mass of ethanol = 17.6 g…

Q: An aqueous solution was prepared by mixing 50.0 mL of CH3OH (MM = 32.0) and 93.1 mL of water.  Given…

A: The volume of  = 50.0 mLThe volume of water = 93.1 mLThe %v/v of CH3OH present in this solution = ?…

Q: D10) A bottle is labeled “Constant-boiling hydrochloric acid, 20.5 percent HCl by mass, density 1.1…

A: Percentage of HCl of Solution = 20.5%  Density of HCl = 1.1 g/mL    Then, from following formula -…

Q: You have 175.0mL of 0.100M aqueous KBr. Which of the following statements are true? Water is the…

A: Given: The volume of the aqueous KBr solution we have = 175.0 mL The molarity of the aqueous KBr…

Q: Calculate the percent by volume of a solution composed of 78.0mL of ethanol and 130. mL of H2O.

A: By using the defination of percentage by volume we can solve this problem from given information.

Q: Perchloric acid (HClO4, MM = 100.458) is commercially available as a 72.5% solution with a density…

A: Molar concentration or molarity (M) :-  The number of moles of solute present in dissolved state in…

Q: Calculate the molarity of a 15.0% by mass solution of sodium acetate, CH3COONa (molar mass = 82.0 g/…

A: Molarity (M) is defined as the amount of a substance in a certain volume of solution. Molarity is…

Q: Calculate the molarity of a throat spray that is 1.50% by mass phenol (C6H5OH) in water. The density…

A: We have to Calculate the molarity of a throat spray  Given, it  Is 1.50% by mass phenol (C6H5OH) in…

Q: The density of water at 25 degree Celcius is at 0.9975 g/ml and the density of ethanol, C2H5OH, is…

A: