Question 1 A bottle in the lab is labeled "13.9% solution by mass of ethane (C₂H6) in hexane (C6H14)". (Information that may be helpful: The density of the solution is 0.611 g/mL. Do the computations, if necessary, and then complete the assertions: Ethane: 30.07 g/mol Hexane: 86.18g/mol) 1. The solute in this solution is 2. Calculate the moles of solute in this solution: E. Calculate the mass, in kg, of the solvent: The molality (molal) concentration of this solution is: mole kg molal

Q: What is the concentration of a 62.0 % (w/w) concentrated nitric acid (HNO3, Mr = 63.0 g/mol)…

A: Given: % (w/w) of HNO3 = 62.0 % Density of solution = 1.32 g/cm3 = 1.32 g/mL…

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: Calculate the morality of a solution containing 2.40 g of sodium chloride (NaCl) in 40.0 mL of…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: A 100.0-mL aqueous sodium chloride solution is 13.8% NaCl by mass and has a density of 1.12 g/mL. ▼…

A: The volume of the solution = 100.0 mLThe density of the solution = 1.12 g/mLThe mass of solute…

Q: 11) The density of an 15.0 % ethanol (C2HSOH) solution is 0.984 g/mL. a) Calculate the molarity of…

A: Given,  Density of ethanol = 0.984 g/mL  Mass percentage of ethanol = 15.0%  a). Calculate the…

Q: How many grams of NaBr are needed to prepare 21.6 g of 5.06% (w/w) NaBr solution in water? How many…

A: Answer: Formula to calculate (w/w)% of solute is shown below: (w/w)% of solute=Mass of soluteMass…

Q: A chemist mixes a 20% salt solution (A) with a 60% salt solution (B) to make 10 L of a 50% salt…

A: The problem is a typical mixture problem. We are given two solutions, A and B, with different salt…

Q: How many grams of a solution that is 8.79 % sucrose by mass, (%m/m) contain 111 g of sucrose,…

A:

Q: What is the molarity (in mole/L) of a glucose solution made from mixing 50.8 grams of glucose (molar…

A: Molarity = number of moles dissolved per litre of solution.  Moles = given mass/ molar mass

Q: an aqueous solution of ethylene glycol (C2H6O2, MW = 62) has a boiling point of 103.0 C. What is the…

A:

Q: A student dissolves 3.7 g of glucose (C,H,0) in 100. mL of a solvent with a density of 0.87 giml.…

A: Given: The given mass of glucose,(Wb)=3.7 g The molar mass of solvent, (Mb)=180 g/mol. The volume of…

Q: If 768 g of water is added to 38 g of a 4.9-m NaCl solution, what is the mass percent of NaCl in the…

A: Molality of NaCl solution = 4.9 m Mass of the solution = 38 grams Mass of water added = 768 grams…

Q: Pure water boils at 100.0  ºC. A solution made by dissolving sugar (C12H22O11) in 484.9  g of water…

A:

Q: Which reagents lead to CI - O1. CH3CH2CI, AICI3 2. Cl2, AICI3 O1. Cl2, AICI3 2. CH3CH2CI, AICI3 1.…

A:

Q: What is the volume in liters that is needed to create a 0.5 M solution with 3.7 moles of C5H12?…

A: The question deals with the relation between molarity and moles of a substance. Molarity of the…

Q: 1- The dispersed particles of a colloid can be separated by filtration A- True B- False 2-…

A: 1. The first given statement is B- False. The dispersed particles of a colloid cannot be separated…

Q: Calculate the freezing point and boiling point for each of the following solutions. A solution of…

A:

Q: What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: Given, Volume of CH3OH = 10 mL, Volume of…

Q: Calculate the heat needed to boil a 2.0 L of water from 25 °C. c = 4.2J/Kg K ; density of water = 1…

A:

Q: What is the molarity of 2500 mL of solution containing 23.5 g NaCl? (Na-22.99 g/mol; Cl-35.45 g/mol)

A:

Q: What is the mass % of ethylene glycol in a 1.89 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A:

Q: A 6.00% (m/v) NaCl solution contains 15.1g of NaCl. What is the total volume of the solution in ml?

A:

Q: How is 250 mL of 0.5M CsCl prepared? MW: Cs: 132.91 g/mol; Cl: 35.45 g/mol

A: Given, Molarity of CsCl solution = 0.5 M = 0.5 mol/L Volume of the solution = 250 mL = 0.250 L…

Q: How many grams of CaCl2CaCl2 are needed to make 126.9126.9 g of a solution that is 39.539.5% (m/m)…

A: Solution concentration = 39.539% (w/w).That is 100g solution contains 39.539 g calcium chloride.

Q: How many grams of CaCl, are needed to make 604.2 g of a solution that is 38.5% (m/m) CaCl, in water?…

A: Consider a solution consists of A and B. Mass % of A = (Mass of A/Mass of solution) x 100  Mass % of…

Q: A solution is made by mixing 33.g of heptane (C7H16) and 122.g of chloroform (CHCl3). Calculate the…

A: The mass of heptane is = 33. g The mass of chloroform is = 122. g The mole fraction of heptane in…

Q: How many grams of NaCl would you need to make 100 ml of a 9.7%(m/v) solution of NaCl?

A: Given, a NaCl solution with concentration 9.7 % ( w/v)we are asked to calculate the amount of NaCl…

Q: 1.- The number of grams of Li2CO3 in 225 mL of 1.55 M Li2CO3 solution

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

Q: State how to prepare the following solutions. Identify the solute and the solvent for each…

A: substance that is dissolved into another substance, is called solute. whereas substance that…

Q: The molecular weight of KCl is 74.55. In microlitres, what volume of a stock solution of 25% KCl…

A:

Q: Calculate the number of mmoles of solute that are present in 3400 ml of an aqueous solution that…

A: The volume of the solution is = 3400 mL The concentration of AgNO3 in the solution is = 4000 ng/mL…

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

A: Given,

Q: A student dissolves 19. g of biphenyl (C12H10) in 400. mL of a solvent with a density of 0.99 g/mL.…

A:

Q: 2. Calculate the freezing point of a solution of 25 mL of CH,OH (d = 0.792 g/ml) in 325 mL of water…

A:

Q: solution contains 0.320 mol of isopropanol (C3H,OH) dissolved in 3.970 mol of water. Be sure each of…

A: The values are provided in questionmol of isopropanol = 0.320mol of water = 3.970find out the mole…

Q: Calculate the osmotic pressure

A:

Q: An aqueous solution contains 60 µM salicylaldehyde (C,H6O2) and 330 ppm dichloroacetic acid…

A: From the given concentration of components and total volume of solution we can determine the mass of…

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

A: Solubility is directly related to temperature, when temperature increases then solubility of the…

Q: If an aqueous solution is 9.69% (w/v) in ammonium carbonate,(NH4)2CO3 , how many grams of ammonium…

A: %(w/v) = (100 x Mass of solute in g)/Volume of solution in mL %(w/v) = (100 x W)/V

Q: weight

A:

Q: How many grams of a solution that is 76.85 % sucrose by mass, (%m/m) contain 110 g of sucrose,…

A:

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 = 34.2 g Mass of water = 434.2 g.  Thus, Mass of solution= 34.2 g +…