In an mountainous location, the boiling point of pure water is found to be 95 °C. How many grams of sodium chloride must be added to 1 kg water to bring the boiling point back to 100 °C.

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: A solution contains 4.1 x 10-4g of CI per kilogram of solution. What is this in ppm? Answer to 2…

A: We have given that  1.A solution contains 4.1 x 10-4 g of Cl- per kilogram of solution. What is this…

Q: An aqueous solution of ethyl alcohol is made by transferring 12.3 mL of liquid ethyl alcohol to a…

A: Since we know that  %(V/V) = (volume of solute /volume of solution )×100%

Q: For exacting the measurements of liquids in graduated cylinders, pipettes, burettes, and volumetric…

A: For exacting the measurements of liquids in graduated cylinders, pipettes, burettes, and volumetric…

Q: Does the amount of sugar that dissolves in 100 mLof water increase or decrease when the…

A: The solubility of a solution varies with the change in the temperature. It can decrease or increase…

Q: Professor X mixed two solutions in a test tube and observed that the mixture was warm. He also tried…

A: Here we have to determine which following pair of liquid on mixing heat energy will be produced and…

Q: A solution is prepared by dissolving 120 grams of NaCl in 450grams of water. Find the freezing and…

A: Given in the question, Mass of NaCl= 120 gm Molar mass of NaCl = 58.44 gm/mol NO. of moles of NaCl=…

Q: A group of students were weighing some CaCl2(s) but they forgot to record the mass.  They know that…

A: Given  Volume of solvent ( water ) = 50 ml Density of water = 1 g/ml Freezing point of pure solvent…

Q: How many grams of potassium nitrate will be required to prepare 594 mL of an aqueous solution that…

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Q: Which of the two cooling curves, left or right, represents the cooling of a pure solvent and which…

A: A question based on properties of liquid that is to be accomplished.

Q: How many mL of solvent do you need to add to the amount gotten from the 2M Palmitic acid stock…

A: Interpretation: To calculate volume of  2 M Palmitic acid stock solution that is needed in order to…

Q: Magnesium chloride is an important coagulant used in the preparation of tofu from soy milk. Its…

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Q: The freezing temperature of water was measured as -3.52 °C when 64.8 g of saccorose was dissolved in…

A: Freezing point depression - It is defined as the lowering of freezing point when a non-volatile…

Q: A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that…

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Q: What is the volume percent of a solution made by mixing 29.5 teaspoons of high fructose corn…

A: Volume percent can be calculated by using the formula as:

Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C? Follow…

A: Given, Mass of water = 300 g = 0.3 Kg Freezing point of solution (Tf(solution)) = -2.00 °C Amount…

Q: how many grams of table salt must be added to half a liter of water to raise its boiling point by 15…

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Q: In oil In water Sample Mixture Description Solubility (+/-) Solubility (+/-) Mixture Description…

A: There are different type of Substances which are soluble in different Solvents. Usually like…

Q: A solution is the same as a compound homogeneous mixture heterogenous mixure element

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: A certain tonic compound X has a solubility in water of 32.8 at 10. "C. Calculate the greatest mass…

A: Given : solubility = 32.8 g/Litre  Temperature = 10 °C = 283 K

Q: PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of…

A: Molarity Stock solution MS  = 0.4 M (solved previously)  Solution 1; Volume of solution 1 V1 = 15 mL…

Q: You can buy hydrochloric acid (HCl) in a concentrated form that is 37.0% HCl by mass and that have a…

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Q: What mass in grams of NaCl would need to be added to 2551 g of water to increase the boiling…

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Q: The stickness of oranges in our hands can be easily washed with tap water ,explain the observation…

A: The question is about general chemistry. we have to reason for the fact that we can easily wash our…

Q: Identify which of the following mixtures needs stirring,cruhing and heat. enrgy (temperature)to…

A: To dissolve faster, first solid sugar has to be crushed to powder then stirring sugar can be…

Q: A chemist mixes 58.1 g of chloroform with 96.4 g of acetone and 13.3 g of acetyl bromide. Calculate…

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Q: A chemist mixes 42.5 g of benzene with 7.23 g of isopropenylbenzene and 19.7 g of 2-ethyltoluene.…

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Q: Calculate the freezing point and boiling point for 0.43 molmol ethylene glycol and 0.17 mol KBrmol…

A: Boiling point =374.8K (Upto one decimal place) Freezing point= -6.5K (upto one decimal place)

Q: A chemist mixes 18. g of ethanol with 61. g of thiophene and 27. g of methanol. Calculate the…

A: Ethanol = 18g  Thiophene =61g  Methanol = 27g  Total mass of mixture = 18+ 61 +27 = 106 g    106 g…

Q: The boiling point of pure chloroform is 61.20°C.,A solution of 100.0 g of chloroform and 2.67 g of…

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Q: A chemist mixes 59.3 g of acetone with 97.8 g of 2-ethyltoluene and 47.1 g of isopropenylbenzene.…

A: Mass percent is defined as the mass of the substance divided by the total mass of the mixture ,…

Q: The weight percentage of food salt is when 3.6 g of salt is dissolved in 20 g of water

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Q: A student placed 15.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

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Q: Part B A solution of rubbing alcohol is 79.1 % (v/v) isopropanol in water. How many milliliters of…

A: v/v % = (volume of solute ÷volume of solution)×100

Q: What are the difference between Simple distillation and Fractional distillation ?

A: Distillation is a separation technique that is used to purify a liquid or a mixture of liquids by…

Q: A certain liquid X has a normal freezing point of -5.00 °C and a freezing point depression constant…

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Q: A student placed 16.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

A: Given: Mass of glucose in the initial solution = 16.0 g. Volume of initial solution = 100 mL = 0.100…

Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Stock solution of 0.019 M ascorbic acid                                 Ascorbic acid present in a…

Q: The solubility of lead nitrate at 100 degrees C is 140.0g/100g of water. A solution at 100 degrees C…

A: Solubility is defined as the maximum amount of solute that can be dissolved in a defined volume of…

Q: 1. A cup of coffee is made in the morming by pouring boiling water over ground-up coffee beans held…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: How many grams of Na Cl would need to be added to 318.00 grams of water to lower the freezing point…

A: Given: Mass of water = 318.00 g = 0.318 Kg                                   (Since 1 Kg = 1000 g)…

Q: A solution contains 11 ppb of toluene. This means that ___. 1 g of solution contains 11 ×…

A: Ppb is the concentration measurement and is named as parts per billion. It measures the…

Q: What is the molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

A: Given,  The molarity of a concentrated solution of sulfuric acid with a specific gravity of 1.84 and…

Q: Calculate the normality of aqueous hydrochloric acid, HCl, solution containing 65.0 grams HCl in…

A: Normality is given by the ratio of number of gram equivalents to that of the volume of the solution.…

Q: A group of students were weighing some CaCl2(s) but they forgot to record the mass.  They know that…

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Q: Determine the mass of NaCl needed to make 100.00 mL of 1.38 M NaCl solution.

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Q: As a pot of salt water boils, the water evaporates, leaving behind the salt. Therefore, as the water…

A: This question is based on colligative property, elevation in boiling point derived from Raoult's…

Q: The amount of chemical that will dissolve in a solution increases exponentially as the temperature…

A: Solution -

Q: Using this percent change data, determine the concentration of sucrose that would be isotonic. You…

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