(Q68) What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,296 grams of water to lower the freezing point to -1.10 °C? (3 sf)

Q: OA 12.0 % (w/w) aqueous solution of acetone has a density of 0.984 9 g/mL at room temperature. Pure…

A: Given data weight % of Acetone in solution = 12.0 % density of solution : ρsolution=0.9849 g/mL…

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: Which of standard substance (or standardized solution) is correct standardization of Na2S2O3:…

A: As2O3   can be used as standard substance because it does not form any hydrate   so its…

Q: A solution of KCIO3 has 40 grams of the salt dissolved in 200 grams of water at 50 °C. Approximately…

A:

Q: What is the concentration in %m/v of a 0.729 M aqueous solutio ethanol (MM = 46.07 g/mol)? %3D

A:

Q: 6-10. What is the percent concentration of rubbing alcohol in a solution that contains 300 g of…

A: The mass of the rubbing alcohol = 300 g The mass of the solution = 500 g

Q: Potassium nitrate is extremely soluble in water.  The solubility of potassium nitrate is 60 g KNO3…

A: Solubility of KNO3 = 60 g per 100 g of water Means 100 g of water can dissolve = 60 g of KNO3 And,…

Q: 3. What mass of BaCl2 is needed to dissolve in 1.2kg water to prepare a 0.500m BaCl2 solution?

A: Given: mass of water=1.2 kgmolality=0.500 m To find: mass of BaCl2

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: 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: Cocaine (C17H2O4N) arrives in the USA either as the pure compound or as the hydrochloride salt…

A:

Q: 5-7: A 10.34 molal aqueous nitric acid solution was prepared. (Density of nitric acid = 1.51 g/mL,…

A: Hi, since you have posted multiple questions. We will answer very first questions. Kindly repost the…

Q: Assuming that A is 0.458, b (cm) is 1.00, c (Molarity) is 1.2 x 10^-3, molecular weight is 300…

A: Given data,Absorbance(A)=0.458Length(b)=1.00cmMolarity(C)=1.2×10-3MMolecular weight=300g/mol

Q: The solubility of Ni3(PO4)2 in water at a particular temperature is 8.0 × 10-* M. What is Ksp for…

A:

Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: To solve this problem we will first calculate the value of ∆Tf .   Then we will calculate the…

Q: How many liters of a 0.550 M sucrose (C12H22O11C12H22O11) solution contains 1.7 kg of sucrose?

A: To solve this problem the required formula is  M = n/ v  where M = mass  n = number of moles  v =…

Q: (Q67) What is the freezing point of a solution made from 883.6 grams of benzene to which 56.0 grams…

A:

Q: What is the molar concentration of a 27% acetone (CH3COCH3) solution?

A: Given: (w/v)% of acetone = 27%

Q: How do you prepare a 500mL solution of 3.0M H3PO4 from a concentrated solution that has a specific…

A: Dilution :-  If a solution of molarity M1 and volume V1 is diluted by adding water to a solution of…

Q: 3. Which of the following statement/s is/are correct? I. 3.00 N H2SO4 is equivalent to 6.00 M H2S04.…

A:

Q: From the following list, chose the best answer to the questions. 0.2 M H2SO4 0.1 M C12H2201…

A: Boiling point: The Boiling is the temperature of any liquid at which the vapor pressure of the…

Q: An 8 oz bottle of Dr. Pepper made with imperial cane sugar (C12H22O11) contains 27 g of sugar in…

A:

Q: What is the boiling point in ºC of a solution made with 25 g of C6H12O6 (a nonelectrolyte) in 100 g…

A:

Q: Which of the following compounds is most soluble in water? H HHH H. H. H. C-H H-C -C H. AAAAA H. II…

A: The water is a polar compound. When other compound forms a hydrogen bond with water then those…

Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: Given as  The boiling point of chloroform, CHCl3, is 61.700 °C  Kb(chloroform) = 3.67 °C/m

Q: 1) The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m…

A:

Q: How many grams of sugar (sucrose), C12H22O11, are required to prepare 125 mL of a 0.100 M sugar…

A: The calculation of the number of moles of sucrose is obtained as follows:

Q: Which of standard substance (or standardized solution) is correct for standardization of I2: As2O3;…

A:

Q: A glass of cola is fizzy because carbon dioxide, CO2, has been dissolved in it under pressure. When…

A: The amount of gas that a saturated drink contains is 1.5 g per L. According to this data, a 500 mL…

Q: What is the freezing point of an aqueous glucose solution prepared by dissolving 35.5 g of glucose…

A: Given data: The grams of glucose (solute) = 35.5 g. The molecular weight of glucose = 180 g/mol. The…

Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: A numerical problem based on colligative properties which is to be accomplished.

Q: What is the Normality of a sulfuric acid solution containing 75% w/v of H2SO4 (98.0) and having a…

A: Normality: In 1000 mL or 1L of the solution, the gram equivalent of the solute present is called the…

Q: What is the solubility of BaF2 in water? The Ksp for BaF2 is 1.0x10^-6 . Solubility is _____M

A:

Q: What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,297 grams of water to lower the…

A: Given: Mass of water = 1297 g The freezing point of the solution = -1.47°C Standard data: Kf for…

Q: Which of standard substance (or standardized solution) is correct for standardization of ICl :…

A:

Q: (Q66) At what temperature (°C) will a solution that contains 78.4 grams of the nonelectrolyte…

A:

Q: What is the molar concentration of a نقطتان ( 2 solution that is 4 percent K2SO4 by weight and has…

A: 4 percent by weight means 4 g K2SO4 in 100 g solution. Volume of 100 g solution = mass / density…

Q: (Q59) What is the molality of a solution that contains 73.7 grams of strontium fluoride that has…

A: This question is from chapter Solutions. There are many ways of expressing the concentration of…

Q: what is the solute and solvent of CoCl2 • 6H2O / H2O ?

A: A solution is a mixture in which two more or more substances are added and are allowed to mix. The…

Q: Which of the following is expected to be moderately soluble in both water and benzene? H H C=C…

A:

Q: How many liters of a 0.560 M sucrose (C12H22O11) solution contain 1.7 kg of sucrose?

A: Molarity (M) :-  The number of moles of solute dissolved in 1 litre of solution is called molarity.…

Q: 4 a)The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 6.42×10-2 . The…

A: The composition of a mixture can be expressed in different units like mole fraction, mass percent,…

Q: (Q53) For what reason is the solubility of gaseous ammonia (NH3) significantly higher than that of…

A: Solubility can be defined as the ability of a solid, liquid, or gaseous substance commonly known as…

Q: If ammonia is dissolved in water and the total weights are 80 g at 19%, what are the weights ammonia…

A: Mass percent is a method of expressing concentration of the solution.   amount of substance present…

Q: Which of the following substances would be most soluble in water?    Group of answer choices…

A: like dissolve like.... polar substance dissolve in polar solvent and non polar substance dissolve in…

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

A:

Q: At 0 degrees Celsius and 2.00 atm, as much as 1.40 g of O2 can dissolve in 1 L of water. At 0…

A: The amount of an ideal gas that dissolves in a definite volume of liquid is directly proportional to…