5 g of potassium chlorate are added to 300 mL of water at 20°C how many more grams must be added to saturate the solution?

Q: 6. From the following cooling curve, which temperature is the most possible freezing temperature for…

A: Cooling curve :-  The graph of temperature vs time to find the freezing point of substance is called…

Q: 100 mL of a solution of physiological saline (0.92% NaCl by mass) is diluted by the addition of 250…

A: Osmotic pressure (π) π = iMRT

Q: solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at 55degree…

A: According to the Raoult's law, the vapour pressure of solution is given by  Vapour pressure of…

Q: Calculate the mass of propylene glycol that must be added to 0.340kg of water to reduce the vapor…

A: Let us first calculate moles of water.moles = mass/molar massgiven, mass of water = 0.340 kg = 340…

Q: 1. The freezing point of an aqueous solution is -2.79°C. a. Determine the boiling point of this…

A: Given: The freezing point of the solution=-2.790C. Kf=1.860Cmol-1kg. Kb=0.5120Cmol-1kg.

Q: Five grams of an organic solid is dissolved in 107.0 g of benzene. The boiling temperature of this…

A:

Q: how many grams of sucrose must be added to 475 ml of water to make 65% (w/w) solution?

A:

Q: A solution contains 450.0 g of sucrose, Cj„H„O1, a nonelectrolyte, dissolved in 250.0 g of water.…

A: Given, The amount of sucrose (C12H22O11) = 450.0 g The amount of water = 250.0 g The molar mass of…

Q: A student prepares a solution containing 45.4 grams of sucrose (C12H22011, 342.29 g/mol) in 250. g…

A:

Q: enthalpy of solution for ammonium perchlorate is 33.47 KJ/Mol. How many grams must be added to 225.0…

A: Given that -  Enthalpy of Solution for Ammonium perchlorate = 33.47 kJ/mol = 33470 J/mol  Volume of…

Q: A solution of 10.0 g of sodium chloride (NaCl = 58 g) is added to 100.0g of water in an attempt to…

A: Given :  Mass of sodium chloride = 10.0 g  Molar mass of sodium chloride = 58 g/mole  Mass of water…

Q: Lauryl alcohol is obtained from the coconut and is an ingredient in many hair shampoos. Its…

A:

Q: A very dilute solution contains 370.4mg of fructose (nonelectrolyte , MM = 180.16 g/mol) in 1.189 L…

A: Mass of fructose, W = 370.4 mg = 0.3704 g Molecular weight of fructose, Mwt = 180.16 g/mol Moles of…

Q: A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample…

A:

Q: A glucose solution contains 55.8g of glucose (MW = 180.1 u) in 455g of H2O(l) What are the boiling…

A: Given, mass of glucose = 55.8 g  Mass of water (solvent) = 455 g Density of water = 1.0 g/mol The…

Q: 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing…

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

Q: 2. Determine the actual boiling point and freezing point of these two different solutions; • 250 mL…

A:

Q: In a mountainous location, the boiling point of pure water is found to be 98.0°C. Нow many grams of…

A: Elevation in boiling point is defined as the elevation in boiling point of water on addition  of a…

Q: An 100.0 mL aqueous sodium chloride solution is 13.5% NaCl by mass and has a density of 1.12 g/mL .…

A: Molal boiling point elevation constant of water is 0.512oC/molalVan’t Hoff factor (i) is 2. Since…

Q: A .9M solution of magnesium chlorate is prepared with 40g of magnesium chlorate how much water was…

A: Given: Mass of magnesium chlorate (Mg(ClO3)2) = 40.0 g Concentration of Mg(ClO3)2 = 0.9 M Molar mass…

Q: A student takes 58.6 grams of ethanol and adds 54 grams of water to it.  What is the mole fraction…

A: Given information:Mass of ethanol = 58.6 gMass of water = 54 g

Q: The solubility of glucose is 357 g/100 g H2O at 70°C. A solution is prepared by mixing 450g of…

A: At T = 70℃  Solubility of Glucose is 357 g / 100 g of H2O Thus, 357 g of Glucose dissolved in 100 g…

Q: 50 grams of water containing a certain amount of sucrose boils at 100.77 C. What is the molal…

A: Colligative properties are the properties of a solution that depends on the number of solute…

Q: A solution was prepared by dissolving 12.0 g of glucose (180 g/mol) in 150. mL solution. What is the…

A:

Q: In an experiment analyzing a hand sanitizer at 20 degrees celsius, the density of ethanol,…

A: Here we are required to find the density of an ideal solution containing 62.00% by mass of ethanol…

Q: Suppose you add 2.5 g of table salt (NaCl) and 2.5 g of potassium chloride (KCI), a table salt…

A:

Q: What is the boiling point elevation of a solution prepared by dissolving 180.0 grams of barium…

A: M

Q: Which solution has the highest vapor pressure?a. 20.0 g of glucose (C6H12O6) in 100.0 mL of waterb.…

A: Moles of glucose = weight / molar mass                                = 20 gm / 180.155 gm/mol =…

Q: If 18 grams of KCl are added to 100 grams of water at 80 degrees Celsius, how much more must be…

A:

Q: 14.662 g of sodium chloride are dissolved in 135 mL of water. What is the molality of the solution…

A: Molality basically depicts the solute’s weight in gram moles that are dissolved into definite weight…

Q: Calculate the freezing point and the boiling point at 1 atm of a solution containing 30.0 g of cane…

A: The temperature at which a solid change into a liquid at 1 atm pressure is known as the melting…

Q: What is the boiling point of the solution that contains 1.25 moles of sucrose (a molecular solute)…

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

Q: solution is prepared disolving 2.00g of an substance in 10.0mL in water at 25°C. The freezing point…

A: Given- Weight of substance =2.00 gram  Volume of water =10.0 mL  T1=25°C T2= -0.350°C  Kf of…

Q: 1. a. How many grams of potassium nitrate is added to 250.0 g of water to prepare a 15.0% potassium…

A:

Q: Q9. There is 19.03 g sample of camphor dissolved in benzene. The volume of the solution is 500 mL.…

A: Given data set: Mass of camphor dissolved in benzene= 19.03 g Volume of solution = 500 ml = 0.5 L…

Q: The boiling point of a solution of 250g benzene and 45g solute boils at 90 degrees celcius. What is…

A: Given that : Mass of benzene = 250 g Mass of solute = 45 g They boil at 90°C. We have to determine…

Q: Please help

A:

Q: why is magnesium hydroxicide not a good choice of solute to elevate the boiling point of water?

A: To explain: Why is magnesium hydroxide not a good choice of solute to elevate the boiling point of…

Q: How many grams (of mass m) of glucose are in 155 mL of a 5.50% (m/v) glucose solution?

A: Let 100 % be treated as 100 gram in 100 mL of water. Therefore, 5.50 % solution contains 5.50 gm…

Q: A solution is made by dissolving 4.35g glucose (CeH12O6) in 25.0 mL of water at 25°C. Calculate the…

A: Molality, or molal concentration, is a term that refers to the amount of a substance in a given…

Q: 10.0 g of glucose is added to 300 g of water at room temperature. The vapor pressure of water at…

A:

Q: The boiling point of an aqueous solution is 101.45 Celsius. What is the freezing point?

A: Given as  the boiling point of an aqueous solution is 101.45 Celsius The freezing  point has to be…

Q: What molal solution is made when adding 90 grams of K2SO4 to 0.55 kg of water?

A: Morality is defined as number of moles of solute dissolved in per kg of solvent.  It is denoted by…

Q: 1. Calculate the vapor pressure of a mixture containing 35.6 g of glucose and 5 mL of ethanol at…

A: Given :-  Mass of glucose, C6H12O6 = 35.6 g  Volume of ethanol, C2H6O = 5 mL  Temperature = T = 25…

Q: A small cube of lithium 1density = 0.535 g/cm32 measuring1.0 mm on each edge is added to 0.500 L of…

A:

Q: The solubility of gas in water is 25 degrees celsius and 1.0 atm pressure of oxygen is 0.041 g/L.…

A: According to Henry’s Law, pressure (P) and concentration (C) is directly related to each other as…

Q: Pure benzene boils at 80.1 degrees C and has a Kb of 2.53 degrees C/m. If 112.0 g of iron (lll)…

A: Answer: Addition of  non-volatile solute in a solvent always decreases the vapor pressure of solvent…

Q: A 30.0 mL sample of this aqueous HX solution freezes at – 0.186 oC. What is the molar mass of HX?

A: Molality is a measure of number of moles of solute present in 1 kg of solvent.

Q: when 66.7 g of aluminum chloride (assume 100% dissociation) is dissolved in 100.0 g of water at 20…

A:

Q: Calculate the freezing and boiling points of a solution prepared by dissolving 20.0 grams of…

A: Given,  Mass of Al(NO3)3, W1 = 20.0 gram Mass of water, W2 = 100 gram Molar mass of Al(NO3)3 is 213…