When 100.0 g of an unknown compunf was dissolved in 1.00 kg of water, the boiling point was raised by 3.62 C. What is the molar mass of this unknown compound? (Kb for water is 0.51 C/m)

Q: Exactly 15.0g of a substance can be dissolved in 150.0g of water. What is the solubility of the…

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Q: itial Temperature of NaOH (°C) 25.8(°C) Initial Temperature of HCl (°C) 26.3(°C) Average Initial…

A: Here the reactants solutions are: HCl(aq) and NaOH(aq).  So we initially take two separate solutions…

Q: ) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is : a) 0.75M b) 1. 04M c) 1.25M…

A: Mass of NaOH = 5 g  Volume of solution = 120 mL  = 0.120 L  Molarity = ?

Q: (a) A solution is made by dissolving 13.5 g of glucose (C6H12O6) in 0.100 kg of water. What is the…

A: a) Since mass percentage is defined as the percentage of solute in the solution  i.e % m/m = mass of…

Q: 4. A solution of a nonelectrolyte contains 35 g of solute dissolved in 250 g of water. The boiling…

A: 4.  Equation for elevation of boiling point is given         by,      ΔTb  =  i  ×  kb  ×  m ΔTb   =…

Q: What is the normality of a solution of potassium permanganate if 50.13 mL will oxidize the weight of…

A: Given: Normality of NaOH = 0.3010 N Volume of NaOH required = 43.42 mL. And the volume of KMnO4…

Q: The solubility of KCl at 20°C is 34.0 g per 100.0 g of water. What is the maximum amount (in grams)…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: A patient receives 320 mL of a 19% (w/v) aqueous glucose solution.  (a) How many grams of glucose…

A: (w/V)% is calculated by using the equation,

Q: 11) How many moles of NaNO, will be left in solution at 20 °C if a solution at 60 °C in which there…

A: Here molecular mass of NaNo3 is 84.9 g/mol  Volume of solution means volume of water is 550 ml  We…

Q: What is the mass percent of NaCl when 5.00 g of NaCl is dissolved in 95.0g of water?

A: Mass percent is one of the methods to express the concentration of a solution . It is calculated by…

Q: To prepare 7.5% 25 mL NiCl2.6H2O solution, x grams of nickel (II) chloride salt is weighed and…

A: The mass percentage of solution=7.5%. The volume of the solution is 25 mL. The mass percentage of…

Q: A patient receives 750 mL of a 10.% (w/v) aqueous glucose solution. (a) How many grams of glucose…

A: Concentration is the amount of solute which is dissolved in the given amount of solution. The…

Q: 715 mL of water was added to 40.0 mL of 0.550M MgCl4 solution. Assuming the volumes are additive,…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: How many grams of NaOH are contained in 5.0 x 10 mL of a 0.74 M sodium hydroxide solution? A. 370 g…

A: Given,

Q: What will be the molality and molarity of a solution if a 5.7 grams of potassium nitrate is…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: There are _____ grams of solute in 25.0 mL of a 10.0 %m/v solution of fructose.

A: Given: 25.0 mL of a 10 % m/v solution

Q: How would you prepare 150.0 ml of a 0.200 M aqueous solution of potassium chloride from a 0.500 M…

A: Calculation of volume of 0.500 M solution needed to prepare 150.0 mL, 0.200 M aqueous solution:…

Q: At 20 °C, sugar has a solubility of 203.9 g, how much water we need at minimum to dissolve two (2)…

A: Given, At 20 °C, sugar has a solubility of 203.9 g, The minimum amount of water need  to dissolve…

Q: patient receives 790 mL of a 25% (w/v) aqueous glucose solution. (a) How many grams of glucose does…

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Q: 100 90 80 NANO 70 CaCl Pb(NO,)2 60 50 40 KCI NaCi 30 20 10 KCIO, Ce,(SO,)g O 10 20 30 40 50 60 70 80…

A: The point where the solubility curve of NaCl and KCl will intersect each other, will represent the…

Q: 100 90 80 NANO 70 60 CaCl 50 Pb(NO3)2 O 40 KCI NaCl 30 20 KCIO 10 Ce,(SO.) 10 20 30 40 50 60 70 80…

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Q: What is the Molarity of a Solution made by dissolving 6.08g of sodium acetate, CH3COONa, in water,…

A: Given : Mass of CH3COONa i.e solute = 6.08 g And volume of solution = 0.750 L

Q: 1a. What is the molarity of 5.0 L of a solution containing 200. g of dissolved CaCO,? 1b. How many…

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Q: The total concentration of dissolved particles in blood is 0.30 M. An intravenous (IV) solution must…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: 2.82 ml of 0.1013 M NaOH was used to neutralize 2.06 ml H2SO4. What is the normality of the H2SO4?…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Calculate the freezing point of water in a 150 cc glass of sweetened water 7.5 g of sucrose

A: Given,  The freezing point of water in a 150 cc glass of sweetened water contain 7.5 g of sucrose…

Q: 3. uloa alea Salui aleu ebwog en The lowest temperature in which 50 g NH4CI can be dissolved in 100…

A: If Temperature increases then solubility will  increses

Q: 1 n our candy making lab, we made a solution of 614 grams of sugar (CHO) dissolved in water that…

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Q: 4. How many grams of Cu(NO3)2 (S) are needed to make 0.500 L of 0.200 M solution? a. b. What is the…

A: This is a question with multiple subparts and according to bartleby guidelines I need to solve only…

Q: Calculate the molarity of the following aqueous solutions. (a). 15.0 g of CaCI, in 0.350 L of…

A: Given:-  a) mass of CaCl2 = 15.0 g  volume of solution = 0.350 L  b)  initial concentration of…

Q: 350 mL of a 0.25 M KCl solution contains _____ g of potassium chloride.

A: Given  Volume of KCl = 350ml = 350/1000 = 0.350L molarity = 0.25M we know molarity = number of…

Q: 9) what is the molarity of 518 mL of solution that contains

A: Mass of Na2S = 57.4 g  Volume of Solution = 518 mL  Molarity = ?

Q: How many grams of nonelectrolyte (98.2 g/mol) would you need to dissolve in 0.864 L of water in…

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Q: What is the normality of a solution made by diluting 6.5 g of H2SO4 to a volume of 200 mL? What is…

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Q: 5. 1f you diluted 50.0 mL of 0.380 M aluminum sulfate solution to 100.00 ml., what would be the…

A: Given data: Volume V1 = 50.0 mL Molarity M1 = 0.380 M Volume V2 = 100 mL Molarity M2 = ? Formula…

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: A solution is 5.0% m/v. What is the mass of dissolved solid in 2500 mL of the solution?

A: Mass by volume percentage is defined as the mass of solute dissolved in 100 mL of the solution.…

Q: many grams of po

A: The concentration of solution can be expressed in several different ways, one of then we can say is…

Q: ppose that 4 g of solid Fe2O3 is added to 25 ml of 0.5 M HCL solution  what mass of Fe2O3 will not…

A: Given that: 4 g of solid Fe2O3 is added to 25 ml of 0.5 M HCL solution To determine: mass of Fe2O3…

Q: 10. A physician orders magnesium sulfate to be administered at a rate of 2 g/h to a patient…

A: The solution given here is 500 ml of 2% magnesium sulphate.2% solution means 2g of MgSo4 is present…

Q: For a 25.0% solution of CaCI2, calculate the: a. mass of CaCl2 in 460.0 grams of solution b. amount…

A: Given data contains, Mass percent of CaCl2 solution is 25.0%. Mass of solution is 460.0 grams.

Q: a mixture is prepared by disolving 2 g of KCL in 100 g of H2O. In this mixture, H2O is the ?…

A: Potassium chloride is a strong electrolyte (ionic compound). It dissolves into the water and…

Q: A 300 mL solution containing 1.85 g CaCl2 is mixed with a 500 mL solution containing 1.95 g NaCl.…

A: The total volume of the solution is 800mL and the amount of CaCl2 is 1.85g and the amount of NaCl is…

Q: 2K + 2H2O → 2KOH + H2 19.55 g of solid K is added to 500. mL of water, initially at 20.0 °C. The…

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Q: 1. What is the molality of a solution containing 100 grams sucrose (342g/mol) in 100.0 grams water?…

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Q: Two solutions are prepared. The first contains glucose (C6H12O6) dissolved in water at 0.180m…

A: The number of moles of MgCl2 is calculated as shown below. The number of moles of MgCl2 is 0.136…

Q: A solution containing 41.684 g of LiF (M.M. 25.939 g/mol) per liter has a density of 1.391 g/mL.…

A: Given : Mass of LiF =41.684 Molar mass of LiF =25.939 g/mol Volume of solution =1 L=1000 mL Density…

Q: essential oils from a plant, 7.5 mL of benzene (C6H6, 78.11 g/mol) was mixed with 25.00 mL of hexane…

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