a. A 202-mL benzene solution containing 2.47 g of the organic polymer has an osmotic pressure of 8.63 mm Hg at 21 OC. Calculate the molar mass of the polymer.  b. The salinity of sea water averages at around 35 ppt. However, the Dead Sea has an average salinity of around 287 ppt. What temperature is necessary to be able to ice skate on Dead Sea if it is assumed that the only salt present is magnesium chloride (MgCl2)? c. How many ions dissociates in MgCl3 which is equivalent to van’t Hoff factor (i)?

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

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Q: A solution is prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water. The molal freezing point…

A: The correct answer is given below

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A: Colligative properties are those properties which depends on the number of moles of a solute. There…

Q: A mystery liquid with a density of 1.22 g/mL has a boiling point of 132.5 oC. (a) A sample of 37.8…

A:

Q: Calculate the freezing point and boiling point of a solution containing 12.0 g sucrose (C12H22O11)…

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A: Osmosis is one of the colligative properties of a solution. Colligative properties are those…

Q: Atrazine is a herbicide that is commonly used in the United States. The Henry's law constant of…

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Q: A 249 ml benzene solution containing 2.89 g of an organic polymer has an osmotic pressure of 7.59 mm…

A:

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A:

Q: The table provides information about the solubility of sucrose. Temperature Solubility of Sucrose…

A: Given, Solubility of sucrose at 20°C is 230 g/100g H2O.

Q: حل هذه الاسئلة

A: Since you have posted multiple questions, we are entitled to answer the first question only.

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Q: A (non-aqueous) solution is found to have a molality of 1.78 molal and experiences a freezing point…

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Q: 2. What is the percent by mass of a solution that contains 20 g of sodium hydrogen carbonate…

A:

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Q: An unknown compound was obtained through steam distillation. At the end of distillation, 34.2578 g…

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A: Given,

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A:

Q: A 0.720 g sample of polyvinylchloride (PVC) is dissolved in 250 mL of a suitable solvent at 25.0 °C.…

A: In this question, we will determine the molar mass of the PVC from the given solution.  You can see…

Q: A sample of 0.37 mol propyl alcohol is dissolved in 1.75 kg of distilled water. If the boiling point…

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Q: Determine the solubility of N 2 in water

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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: A solution is made from 220.0 g sucrose (C12H»On, MM = 342.3 g/mol) dissolved to a total volume of…

A:

Q: A solution contains 11 ppb of toluene. This means that ___.

A: The ppb stands for parts per billion.  It is a unit used to measure a very small amount of quantity.…

Q: A 500.0 mL sample of water is placed in a large container with pure N2 (g) at a pressure of 782…

A: Answer:-  Given :- volume of water is 500.0 mL                pressure of N2 gas is 782 mmHg…

Q: For questions #24 - #26 A solution contain 70.2g sugar (molar mass = 342g/mol) dissolved in 816g of…

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Q: What is the solubility of ethylene C2H4  in g/L (MMass 28.054 g/mol) in water at 25ᵒ C

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A:

Q: A sample of an unknown compound with a mass of 0.546 g was dissolved in 15.0 g of benzene. The…

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.