Ethanol (Kb = 0.374 °C/m) typically has a boiling point of 78.3°C. What will be the new boiling point after adding 2.25 moles of NaCl to 5556 mL of ethanol (density = 1.26 g/mL)?

Q: 3. The solubility of KNO3 in water at 0°C and 60°C are 13.9 g/100 g and 106.0 g/100 g, respectively.…

A: We would Calculate amount of KNO3 that would remain dissolved in 75 g water at 0°C using solubility…

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: What mass in grams of NaCl would need to be added to 4001 g of water to increase the boiling…

A: Formula for elevation in boiling point :-  ∆Tb = ikb × m where ∆Tb = elevation in boiling boint  i =…

Q: What is the percent by volume of acetic acid in a solution that contains 50 mL of acetic acid…

A: % of volume =  =( volume of acetic acid ÷ total volume of solution) × 100 %

Q: Prepare a solution of NaCl by accurately weighing approximately 1.45g of NaCl into a 100 mL beaker /…

A: Molality (m)=Moles of soluteMass of solvent in kg mol/kg Mass of NaCl added=1.45gMolar mass of…

Q: 1. If you prepared a saturated aqueous solution of CUSO4 at 25°C and then heated it to 70°C, would…

A:

Q: How would you prepare 59.5 g of an aqueous solution that is 7.00 % Sodium chloride (NaCl) by mass?

A: Given: Mass of the solution= 59.5 g Mass % of sodium chloride= 7.0% Formula:

Q: If 7.27 grams of sucrose, C12H22O11, are dissolved in 35.2 grams of water, what will be the boiling…

A: We know that,     From elevation of BP

Q: Consider the following solutions, each containing 0.20 mole of the solute in 100.0 g of water. Which…

A: Freezing Point: The temperature where a particular liquid is became solid is termed as freezing…

Q: If KNO3 has a solubility of 31.6 g in 100. g of H2O at 20 ∘C, how many grams of water are needed to…

A: The maximum mass of solute that can be dissolved in the given amount of the solvent is known as…

Q: When a 4.25 g sample of solid ammonium nitrate dissolves in 60.0g of water in a calorimeter, the…

A: Mass of NH4NO3 = 4.25 g Number of moles of NH4NO3 = mass/mol.wt. = 4.25 g/(80.04 g/mol) = 0.053098…

Q: Nitrogen gas (N) has a solubility in water of approximately 0.0179 g/L at 25.0°C and 0.99 atm. What…

A:

Q: What is the freezing point of an aqueous solution that contains 3 moles of the ionic solute CaCl2…

A: Depression in the freezing point is the colligative property in which the freezing point of a…

Q: (Q68) What mass (in grams) of ethylene glycol (C2H,O2) must be added to 1,312 grams of water to…

A: Solution is made up of solute and solvent . Solue is present in small amount and solvent is present…

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: What volume (in mL) of a 0.500 M fructose (C6H12O6) solution can be made from 11.3 g of fructose?

A:

Q: What is the freezing point of a solution that contains 64.3 g of sucrose in 200 g of water?

A:

Q: How many grams of glucose (C6H12 O6 ) would you need to prepare 2.0 L of 2% glucose solution (M/V) ?

A: The concentration of the solution is measured in variety of units like Molarity, morality,…

Q: What mass of ethylene glycol (C2H6O2), molar mass 62.1 g/mol), the main component of antifreeze,…

A:

Q: Which is colder, dry ice (solid Co2) subliming -78.5°F or ethyl alcohol freezing at 179°F?

A: Sublimation is the transition of a substance directly from the solid to the gas state, without…

Q: Q15) When a person is given intravenous fluids, the concentration of the dissolved substance in the…

A: Calculate as we calculate osmotic pressure.

Q: What volume of 8.25 M HCl solution must be diluted to prepare 2.40 L of 0.500 M HCl solution?

A: GivenMolarity of Stock solution = 8.25 M = M1Volume of Stock solution = To be determined Molarity of…

Q: Be sure to answer all parts. How many liters of the antifreeze ethylene glycol CH,(OH)CH,(OH) |…

A:

Q: What mass of a nonvolatile molecular substance (MM = 50.0 g/mol) must be added to 500 g H2O to…

A: We have to predict the mass of non volatile substance.

Q: The solubility of potassium nitrate is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What…

A:

Q: The boiling point of pure water in Winter Park, CO ( elev. 9000 ft) is 94°C. What is the boiling…

A:

Q: Molar mass of NaOH is 40 g/mol. How many grams of NaOH   do you have to take to prepare: a. 1 L of…

A: Molar mass of NaOH is 40 g/mol a. 1 L of 10 M solution of NaOH?   As we know, number of NaOH moles =…

Q: A supersaturated solution of KNO3 is made by dissolving the solute in 100 g of water at 60ºC and…

A: A solution is prepared by homogenous mixing of solute and solvent. An aqueous solution is formed by…

Q: How much water must be added to 36.0 g of SrCl2 to produce a solution that is 35.0 wt% SrCl2?

A:

Q: Sodium chloride is often used to prevent icy roads and to freeze ice cream. What are the boiling…

A: Given: 0.034m aqueous solution of sodium chloride. To find: boiling and freezing point of sodium…

Q: 4 What is the freezing point of a solution that contains 64.3 g of sucrose in 200 g of water?…

A: mass of the sucrose=64.3g molar mass of sucrose=342.3 g/mole Number of moles of sucrose=64.3/342.3…

Q: What is the percent by mass of a glucose solution containing 34.2 grams of glucose dissolved in…

A: Given data set: Mass of glucose dissolved in water = 34.2 grams Mass of water = 434.2  gram.  Thus,…

Q: Determine the freezing point (in °C) of a solution that contains 204 g of CsH1206 dissolved in 234…

A: Formula used :-  ∆Tf = Kf×m  Where m = molality

Q: 3. Will 70 grams of HCI at 80°C in 100 g of H20 be saturated, unsaturated, or supersaturated?…

A: Solute dissolves in solvent to get the solution. The extent with which the solute dissolves in a…

Q: What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 390.1 g of water in order…

A: ∆Tf = iKfm

Q: What conclusions can you draw about the solubility of gases as temperature increases? Figure 3…

A: As we know that the solubility of the gases in the solvent depends on the temperature and pressure…

Q: 4.) Ethylene glycol, C2HO2, is used as radiator coolant and antifreeze in automobiles. It is mixed…

A:

Q: a. n b. M c. N d. X e. m 1. Which symbol expresses the concentration used for volumentric analysis?…

A: Here we need to first know what the symbols in the solution means:- a. n = no. of moles b. M =…

Q: What mass of ethylene glycol (C2H6O2, molar mass = 62.1 g/mol), the main component of antifreeze,…

A: Given data, molar mass of ethylene glycol  = 62.1 g/mol volume of water is 8.5 L  density of water…

Q: Calculate the freezing point and boiling point of the solution

A:

Q: How many grams of CaCl2 are needed to make 886.5g of a solution that is 37.0% (m/m) CaCl2 in water?…

A: There are numerous ways to specify solution's concentration using percentage method such as…

Q: You wish to prepare an antifreeze solution for your car’s radiator from distilled water and ethylene…

A: Change in temperature = ∆T = -15.00℃ Molecular weight of C2H6O2 =MB = 62.07 g/mol Weight of C2H6O2 =…

Q: Joules Using the data below, calculate the heat of dissolution, AHsoln, in units of g NaOH Assume…

A: Determination of change in temperature: ∆T=37.7°C-25°C=12.7°C

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: The solubility of KNO3 is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What mass (in grams)…

A: Given : Solubility of KNO3 at 75 oC = 155 g/100 g of water = 1.55 g KNO3 / g water Solubility of…

Q: percent of a 762.5 mL solution that is prepared by dissolving 289.15 g of Ca(N3)2 in water?

A: %m/v = mass of solute ×100/Volume of solution  Using above formula,  %m/v = 289.15 × 100/762.5  =…

Q: 6.55 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee cup…

A: Total mass of the reactant is given as: m=150.0 g water + 6.55 g sample=156.55 g Change in…

Q: How much KBr could dissolve in 50 g of H2O at 70ºC?       Which solute is LEAST soluble in water…

A: From the graph solubility of KBr at 70°C in 100g of water=90 g

Q: What mass of Iodine, I2 (molar mass = 253.80 g/mol), must be used to prepare a 0.960 m solution if…

A: Molar Mas of I2 = 253.80 g/moleMolality of solution = 0.960 mMass of Ethanol (solvent) = 100. g

Q: When 20 grams of potassium chlorate, KCIO3, is dissolved in 100 grams of water at 80 °C, the…

A: