How many moles of solute are dissolved in 0.015848 kg of cyclohexane if the solution has a molality of 0.542 mol/kg?

Q: Is the boiling point of 0.01 m KF(aq) higher or lower than that of 0.01 m glucose(aq)? Explain.

A: Given data: The molality of KF(aq) = 0.01 m. The molality of glucose(aq) = 0.01 m. To find: The…

Q: What is the mole fraction of sucrose when 433 g sucrose C12H22011 (molar mass 342.3 g/mol) is…

A: Mole fraction of sucrose =it is the ratio of  number of moles of sucrose to the total number of…

Q: Ascorbic acid (C6H8O6) is also known as Vitamin C. How many molecules of C6H8O6 does a Vitamin C…

A: Using avagadro concept we have solve this problem.

Q: Which compounds are soluble in water? a. C 5H 12 b. CaCl 2 c. CH 3Br

A: Like dissolves like. Water is a polar compound, therefore, it will dissolve polar compound.

Q: Solutes have almost no effect on the boiling & freezing points of a solvent.  True  False

A: 1- In this question, we will see the true and false for the given statement.  You can see below,

Q: A solution is prepared by dissolving 54.0 grams of ethylene glycol (C2H6O2) in 245 grams water. What…

A: The mass % of ethylene glycol solution is calculated as shown in equation (1) where m1 and m­2 are…

Q: 12.30g of a highly purified protein was dissolved in 260mL of water. At 50°C, the solution exhibited…

A: Given data,  mass of protein=12.30 g  molar mass=?  V=260 ml =0.260 L  T= 50 °C = (50+273)K =323 K…

Q: The molecular mass of a polyethyleneglycol (PEG) can be quite variable; the osmotic pressure of a…

A: Given Osmotic pressure = 30.572 torr Volume = 420.27 ml = 0.420 L Temperature = 298 K Standard…

Q: is HgSO4 Soluable in water?

A: No, HgSO4 that is mercuric sulphate is NOT SOLUBLE in water. It is because when it is added in…

Q: Why gases have relatively low solubilities in water

A: The reason why gases have relatively low solubilities in water has to be given,

Q: What mass of C12H22011 (sucrose) is needed to prepare 255 mL of a 0.570 M solution of sucrose in…

A: The number of moles of solute present in 1L of the solution is called the molarity of the solution.…

Q: What is the molality of a solution containing 50.0g of NaCl dissolved in 2.50kg of water? How many…

A:

Q: Explain the molecular reason why the vapor pressure decreases when glycerol (C3H5(OH)3) is dissolved…

A: The answer is given as follows Vapour pressure : This is a pressure exerted by the gas which is in…

Q: A solution containing 0.102 g of an unknown compound dissolved in 100. mL of water has an osmotic…

A: Given that: Mass of compound = 0.102 g Volume of water = 100 mL = 0.1 L Osmotic pressure = 28.1 mm…

Q: Calculate the heat of solution if 5.0 g of benzoic acid, C6H5COOH, is dissolved in 45.0 g of water…

A: Heat change of the reaction is measured as  q = m*c*∆T Where  m = mass of water (g) c = specific…

Q: At 40°C, the blood has an osmotic pressure of 8.02atm. How many grams of glucose are contained in a…

A:

Q: Osmotic pressure may be used to determine the molecular weight of pure substances. It is an…

A: Given data: The volume of solution V = 1.0 mL = 0.001 L. The mass of protein m = 1.5 ×103 g. The…

Q: A compound has a solubility in water of 40 g/L at 0o If 62 g of this compound is added to 1.5 L of…

A:

Q: Determine the molality of a solution in which 1.3 grams of sucrose C12H22011 are dissolved in…

A: We have to calculate the molality of the solution.

Q: Determine the molality  of a solution in which 9.9 grams of glucose C12H22O11 are dissolved in…

A: Molality is defined as number of moles of solute per Kg of solvent SI units = mol / Kg   Given mass…

Q: 0,51 g of a compound with a molecular mass of 2,4 x 104 a.m.u. is dissolved in water and made up to…

A:

Q: Rank the following compounds in order of increasing solubility in hexane (nonpolar)

A: The solubility of a compound depends on the nature of the solute and the solvent. If the nature of…

Q: A certain amount of benzene (D=0.985 g/ml) was dissolved in 0.5 kg CCl4 to produce a solution…

A:

Q: The concentration of KBr in a solution prepared by dissolving 2.05 g of KBr in 897 g of water is…

A: The concentration (molality) of KBr in a solution is to be calculated.

Q: A 5.0 g sample of a molecular compound having a molecular weight of 100,000 g/mol is dissolved in…

A:

Q: Toluene, c6h5ch3, is a liquid compound similar to benzene, c6h6. it is the starting material for…

A: Mass of toluene (solute) = 35.6 g  Mass of benzene (solvent) = 125 g  Molality of toluene = ?

Q: What is the molality of the solution when 328 g NaCl is dissolved in 3.50 kg water?

A: Molality is the amount of moles of solute found in one kilogram of solvent. This is in contrast to…

Q: At 50°C, 100g of Sodium nitrate (NaNO3) is dissolved in 100 g of water. Is this solution saturated,…

A: Saturated Solution - this solution contains the maximum amount of dissolved solute for a given…

Q: How many mL of 30% H2O2 solution with a molecular weight of 34 g/mol and a density of d:1.12g/mL…

A: Given that, percentage composition of H2O2 = 30% =30100 molecular weight of H2O2 = 34 g/mol  density…

Q: 0.2560 molality to mass percent solvent

A:

Q: How many grams of iodine I2 must be dissolved in 725 ml of carbon disulfide CS2 d=1.261g/ml to…

A: Let mass of I2 is x g Volume of CS2 = 725 mL Density = 1.261 g/mL Mass = (1.261×725) g= 914.225 g =…

Q: Calculate the mass in grams of potassium sulfate that can be dissolved in 350 g of water in the…

A:

Q: What is the osmotic pressure of a solution prepared by adding 12.5 g of sucrose (C12H22O11) to…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Calculate the molality of a sugar in a sampleofnormal spinal fluid.The concentration of this sugar,…

A:

Q: What is the osmotic pressure of a 4.5 FL OZ solution containing 30.6 g of fructose (C6H12O6) at 40…

A: Given: Volume of solution = 4.5 FL OZ = 0.133 L Temperature = 40 °F = 277.6 K mass of Fructose =…

Q: What is the molecular weight of a polymer if 1.55 g of it dissolved in 100 mL of water generates…

A:

Q: 283.mg of an unknown protein are dissolved in enough solvent to make 5.00mL solution. The osmotic…

A:

Q: A 3.0 g sample of a small protein having a molecular weight of 42,000 g/mol is dissolved in 52.8 mL…

A:

Q: What is the weight molarity of a solution prepared by dissolving 1.583 g of NaCl (58.442 g/mol) in…

A: The given data contains, mass of solute = 1.583 g. mass of solvent = 93.217 g mass of solution =…

Q: What molaity of pentane is obtained by dissolving 5g pentane, C5H12, in 245 g hexane C6H12

A: The number of moles of pentane is calculated as,

Q: What is the molality of a solution labeled "8.6% glucose (C6H12O6) by weight?" (glucose MW: 180.156…

A:

Q: A solution is made using 58.5g of tuluene(MM =92.13g/mol)and 50.0g of benzene (MM=78.11g/mol). What…

A: No of moles of Toluene= given mass/molar mass =58.8/92.13 =.64 moles

Q: 8.) Determine the molecular weight of aspartic acid if 0.200 grams of aspartic acid in a 100 mL…

A: We would use formula of osmotic pressure to calculate molar mass .

Q: How many grams of water must be used to dissolve 240g of glucose (C6H12O6) to prepare a 1.67 x 10^-3…

A: molality = 1.67 x 10-3 m  weight of solvent (water) = w2 = ? Molar mass of solvent(water) = 18 g/mol…

Q: A student is about to dissolve 1.1 g of compound Z in solvent Y. Is 100 mL of solvent Y already…

A: Solubility of Z = 3.44 g/L So, 1 L Y : 3.44 g Z

Q: Is CuSO4 soluable in water?

A: Most of the sulfate salts of metals are soluble in water.

Q: Find the osmolarity of the following solutions. a. 3.00 mol CaCl2 dissolved in 5.00 L of solution…

A: Osmolarity = Molarity  × no.of ions formed Molarity = no.of moles / Volume of solution ( L)

Q: the molality  of a solution in which 8.4 grams of glucose C12H22O11 are dissolved in 1719grams of…

A: Please NOTE : formula of glucose : C6H12O6 Given formula : C12H22O11  i.e of Sucrose  Solving ques…

Q: A 0.1 m solution of Sucrose(C12H22011) contains 2 kg of water. What is the amount (weight) of…

A:

Q: Arrange the following solutions in order of increasing boiling point. v 0.075mol K3P04 dissolved in…

A: Given that  1) 0.075 mol of K3PO4 dissolve in 100 gm water 2) 0.10 mol of NaI dissolved in 100 gm…

Q: A sports drink contains 15 g of soluble complex carbohydrates in 8.0 oz (1 fl oz = 29.6 mL). What…

A: Weight / volume percent is given by  (w/v)%=weight of the solutevolume of the solution×100

Q: Which of the following is expected to be MOST soluble in water? a.C6H6(1) b. CaCO3(s) c.C10H8(s)…

A: Solubility is the ability of a substance to form a solution with another substance. Here two terms…