What is the molarity of a solution of volume (1.6 L) and dissolved in (1.5 g) of * potassium bromide KBr K=39, Br=80

Q: What is the molality of 50.0 grams of KBr compound dissolved in 900.0 mL water.

A: We have to find the number of moles of KBr. As , Molality = Moles of soluteMass of the solvent (in…

Q: Hydroiodic acid is currently listed as a Federal DEA List I Chemical since a combination of HI and…

A: The question is based on the concept of solutions. Molality is defined as number of moles of solute…

Q: A solution prepared by dissolving 342 mg of a sugar (a molecular compound and a nonelectrolyte) in…

A: The formula of depression in Freezing point is as, ∆Tf=W1×Kf×1000M1×W2 Where, W1=weight of solute…

Q: Calculate the molarity of 6.52g of Cobalt Chloride (128.9g/mol) dissolved in aqueous solution with a…

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Q: True or False: For a solution with [NaC2H3O2] = 0.50 M, the solute is sodium nitrate.

A: Given : Solution with [NaC2H3O2] = 0.50 M

Q: Calculate the molality of (7.45 g) KCI, which dissolved in 100 g water. (molar mass: H-1, O=16, K=…

A: To calculate the molality of given mass of KCl.

Q: Calculate the molarity of the following aqueous solutions:(a) 0.540 g of Mg(NO3)2 in 250.0 mL of…

A: Molarity of a solution is defined as the no. of mol of solute present in 1 L of solution. No. of…

Q: Calculate the mass percent of a NaCl solution prepared by mixing 20.8 g NaCl with 586 g of pure…

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Q: Calculate the number of moles of potassium iodate(V) in 25.0 mL of the solution.

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

Q: Calculate the molality of 35.0 grams of KBr dissolved in 450.0 mL pure water.

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Q: What is the freezing point of a solution that is made by dissolving 91.9 grams of potassium bromide,…

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Q: Calculate the percent by mass of a solution composed of 35g of KNO3 and 57.5G of H2O

A: Given that : Mass of KNO3 = 35g Mass of H2O = 57.5g Percent by mass of solution =?

Q: Calculate the percentage concentration by mas of a solution prepared by dissolving 2.32 g of calcium…

A: Given :-  Mass of Calcium chloride = 2.32 g  Mass of water = 81.0 g  To calculate :- %w/w of…

Q: what is the concentration of a solution of 28.42g os sodium sulfate dissolved in 100cmof water

A: Volume of solution = 100 cm3 = 100 mL as 1 cm3 = 1ml Hence volume in L = 100/1000 = 0.1 L  as 1 L =…

Q: Calculate the molarity of a solution that contains 2.25 molof NaNO3 dissolved in 2.50 L.

A: Given data contains, Moles of NaNO3 is 2.25 mol. Volume of solution is 2.50L.

Q: Calculate the number of grams of solutethat has to be used to make the following solution: 131.4 mL…

A: Given :- molarity of H2SO4 solution = 0.694 M volume of solution = 131.4 mL  To be calculated :-…

Q: 8. Which among the following compounds has least solubility in water * O a) Ag,Cro, b) AGNO3 O c)…

A: Solubility is the ability of a solid, liquid  or gaseous substance to dissolve in particular…

Q: Calculate the molality of a solution formed by adding 2.60 g NH,Cl to 19.2 g of water.

A: Molality is a method of expression concentration. It is denoted by  m. molality, m =moles of…

Q: Calculate volume of solution in mL required to dissolve 12.4 g LiBr with a molarity of 6.14 M

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Q: نقطتان )2( Ethanol has percent concentration v/v equal to 30%, what the volume of water and volume…

A: 30 ml of ehanol

Q: A solution is prepared by dissolving 0.0511 mol of a weak monoprotic acid in 213. g of water. This…

A: Vant's hoff factor i= 1+(n-1)a  Where a = degree of dissociation

Q: 12.156 A 1.24M solution of KI has a density of 1.15 g/cm. (a) What is the molality of the solution?…

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Q: ) The mass of potassium hydroxide (KOH) to be dissolved in (100 ml) of water to obtain a solution of…

A: Given molarity of KOH = 0.25 M  Volume of KOH in mL = 100 mL  Mass of KOH = ?

Q: 19. At 50°C, the solubility of KNO3 is approximately g/100 g water. a 82 b. 108 с. 62 d. 75

A: If we plot the graph of amount of solute that can be dissolved in given solution wrt time we get the…

Q: 46. The solubility of ionic compounds depends on 1 the strength of the electrostatic attraction…

A: 1) The stronger the intermolecular forces  between solute molecule and solvent molecule, the greater…

Q: When 1.150 grams of an unknown non -electrolyte dissolves in 10.0 grams of water, the solution…

A: Mass of the non- electrolyte solute = 1.150grams  Mass of the water = 10 grams  Freezing point of…

Q: A small cube of lithium (density = 0.535 g/cm3) measuring1.0 mm on each edge is added to 0.500 L of…

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Q: What is the freezing point of an aqueous PCl₃ solution made to be 0.81 m PCl₃? (Kf for water is 1.86…

A: Given : Solution is an aqueous solution of PCl3 means solvent is water and solute is PCl3. And…

Q: Calculate the molarity of 0.650 mol of Na,S in 1.20 L of solution. molarity:

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Q: What mass (in g) of NH3 must be dissolved in 475 g methanol to make a 0.250 m solution? 2.02 g 4.94…

A: Given, mass of methanol = 475 g molality of solution = 0.250 m

Q: What is the solubility of KNO; at 25°C in 150 g of water? Solubility Curve for Potassium Nitrate 160…

A: Solubility of KNO3 at 25oC in 100g water is approx. 40 according to the given graph.

Q: When 26.0 g of NaCl, are dissolved in 0.5 kg of water, what is the freezing point of this solution?…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: Calculate molarity of a 250ml solution in which 30 grams of sodium cloride (NaCl) are dissolved .

A: Molarity calculated using mole of sodium chloride in 1 litter solution

Q: Calculate the molarity for a solution containing 0.34 moles of NaNO3 dissolved in 0.5 liters of…

A: Molarity can  be defined as number of moles of solute dissolved in per litre of solution.  In other…

Q: What is the concentration of a solution, when 1.4 moles of MgOH are dissolved in 1200 mL of H2O

A: The concentration is the amount of substance present in a unit volume of solvent .This can be molar…

Q: A potasium carbonate solution is 14.6% KCO3 by mass and has a density of 0.68 g/mL. Calculate…

A: Molarity is defined as the moles of solute per litre of solution. Note : KCO3 is wrong. Instead of…

Q: Calculate mass of solid NaOH necessary to prepare 1.0 L of 0.10 M NaOH solution.

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

Q: Write the colloid symbol for the following scenario. (Solubility values per of water at 25°C :…

A: Given, Solubility of AgCH3COO=0.0109g/mL Solubility of NH4Cl=0.383g/mL Reaction of AgCH3COO and…

Q: If a substance has a solubility of 0.85 g/L at 4.0 atm, how much will dissolve at 1.0 atm of…

A: Solubility is defined as the maximum amount of a substance that can be dissolved in a solvent. The…

Q: What is the freezing point when 16.01 g of citric acid (formula mass = 192.06 g/mol) is dissolved in…

A:

Q: At 26 °C, the solubility of sodium chloride is 36 g/100 mL of solution. How would you describe a…

A: Solubility of a solute is defined as maximum amount of solute that can be dissolved in 100 ml of…

Q: An aqueous potassium carbonate solution is made by dissolving 6.84 moles of K,CO, in sufficient…

A: Molarity= moles of solute/Volume of solution (L) in question, mole of solute is given , and volume…

Q: Calculate the molality of a solution formed by adding 9.10 g NH,Cl to 16.0 g of water.

A: Given: Mass of NH4Cl = 9.10 g Mass of water = 16.0 g Standard data: The molar mass of NH4Cl =…

Q: An aqueous solution of Na2SO4 is prepared and its measured freezing point is -16.0°C. 12) Calculate…

A: The freezing point of pure water is 0oC. Van’t Hoff factor (i) is 3. Since each Na2SO4 give 2 Na+…

Q: How many cm3 of water will be required to prepare 3% NaNO3 solution starting from 0.6kg of this salt

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Q: Calculate the m (molality) of a solution prepared by mixing 8.205 g LiCl with 750.0 g of H2O.

A: Given that,  Amount of LiCl , w1 = 8.205 g Amount of H2O , w2  = 750.0 g  = 0.750Kg Molar mass of…

Q: 38.0 g of KBr was dissolved in 425.0 g of H2O. Calculate the freezing point of the solution.

A: The freezing point can be calculated as, △Tf = i x Kf x mi = Vant Hoff factorKf = Freezing point…

Q: Indicate the concentration of the solution formed by mixing 42.0 mL of 0.170 M NaOH with 37.6 mL of…

A: Given:Volume of solution-A = 42.0 mLMolarity of solution-A = 0.170 MVolume of solution-B = 37.6…

Q: Calculate the molarity of a 0.1 14M ethanol (C2H5OH) solution his density is 0.746 g per ml

A: