A 9.03 g sample of an unknown alkali metal chloride, MCl, is dissolved in 55.00 g of water. The freezing point of the solution -10.45 degrees Celsius. Calculate the molar mass of the solute. Your answer should have three significant figures.

Q: "How many mL of a 0.215 M aqueous solution can be prepared from 38.1 g of urea, CO(NH2)2? Make sure…

A: Mass of urea = 38.1 g Molarity of aqueous solution = 0.215 M

Q: Percent by definition is parts per hundred. % (w/w) = (mass of solute/mass of solution) x 100. For…

A: Given information, 0.080 g  alcohol present in 100 ml blood  We have to calculate parts per…

Q: The boiling point of a solution of 250 g benzene and 45g solute boils at 90. what is the MM of the…

A: Given : Mass of solute = 45 g Mass of solvent = 250 g Change in temperature (∆Tb) = 90 K

Q: Dissection х-ахis у-ахis Solubility (g Pb(NO3)2/100 g water) Plot below points and Draw a line…

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Q: Dilution means adding water to something so that the ratio of solute to solvent is less than in the…

A: When the amount of solute is dissolved in a solvent to make a homogenous mixture are known as…

Q: Silver ions can be found in some of the city  water piped into homes. The average concentration of…

A: Given: Silver ions in city water are 0.028 ppm.  1 oz =29.57 mL

Q: An aqueous solution of potassium sulfate, K2SO4 , is made by dissolving 15.1 grams of potassium…

A: Given: Mass of K2SO4 = 15.1 g. And volume of solution filled = 250 mL = 0.250 L…

Q: Based on the graph, what is a solution of 300 g sucrose in 100 g of water considered at 60 °C?…

A: The maximum amount of solute that can be dissolved in a particular amount of solvent is known as…

Q: How much sodium chloride, in grams, is needed to make 10 L of a solution that has a concentration of…

A: Molarity = Moles / Volume (in litres)

Q: Fructose (molar mass = 180.2 g mol−1) is a common sugar. What is the molality of a solution of…

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Q: At room temp, solubility of table salt in water is 359 g/L of water. If a solution was prepared at a…

A: Given the solubility of table salt in water = 359 g/L So, amount of salt that is soluble in 100 ml…

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 6.50 g of dextrose…

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Q: Magnesium Sulfate has a solubility of 38.9g/100g H2O at 30 degrees C. A solution is prepared by…

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Q: Describe how you would prepare each of the following aqueous solutions.A)Give the mass of the solute…

A: The term molarity of a solution  refers to the ratio of number of moles of the solute to the total…

Q: What mass of water is necessary to prepare each of the following solutions? Express your answers…

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Q: A dioxin-contaminated water source contains 0.085% dioxin by mass. How much dioxin is present in 2.5…

A: The answer to this question is as follows---------- density = mass/volume

Q: The molar mass of glucose (C6H1206) is 180 g/mol. Which of the following procedures should you carry…

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Q: The solubility of potassium nitrate is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What…

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Q: How many liters of a 7.0 % (m/v) glucose solution would you need to obtain 75 g of glucose? Express…

A: Since % m/v is defined as % m/v = mass of solute X 100 / volume of solution  Since solute here is…

Q: D10) A bottle is labeled “Constant-boiling hydrochloric acid, 20.5 percent HCl by mass, density 1.1…

A: Percentage of HCl of Solution = 20.5%  Density of HCl = 1.1 g/mL    Then, from following formula -…

Q: of water at room temperature. A solution is prepared by dissolving 42 g in 100 mL of water at 80…

A: Unsaturated solution is the one that contains an amount of solute that dissolves in the solvent at…

Q: An ammonia solution is 23% NH3 by mass and has a density of 0.92 g/mL at 20°C.  What is the molarity…

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Q: Types of Intermolecular Forces Made When Liquids are Mixed\ What type of bonds can form when you mix…

A: Given two liquids are : a). CH3CH2OH and  b). H2O  Types of intermolecular forces between CH3CH2OH…

Q: normality of the sulfuric acid solution assuming you have 1L of the solution?

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Q: What is the mass percent of a solution prepared by dissolving 2.1 g of sodium bromide in water to a…

A: Given information, 2.1 g of sodium bromide in water to a total volume of 25.0 mL The density of…

Q: Calculate the concentration in /molL of the chemist's barium acetate solution.

A: Number of moles = mass/molar mass  Molarity = moles/volume of solution(in L)

Q: How much NaCI (s) do you need to prepare 435 mL of a 2.5 % (m/v) NaCI solution?

A:

Q: A student task is to prepare 3 glucose (C6H12O6) solutions with different concentration. If the…

A: i) he needs 2.88g glucose to make 80mL of solution ii) He needs 0.405g of glucose to make 90mL of…

Q: Calculate the boiling point of a solution of 400 g of ethylene glycol dissolved in 400 g of water…

A: Molality of solution can be calculated as follows:

Q: 3) What volume (in mL) of guanidine, CH5N3, is required to prepare 250 mL of the following solutions…

A: Density of guanidine (CH5N3) = 1.18g/ml Mol. mass of guanidine = 59.072g/mol (Calculated according…

Q: The solubility of KNO3 at 75 degrees celsius is 155g per 100 g of water, and at 25 degrees celsius…

A: At 75oC,155g of KNO3 can be dissolved in 100g of water.Therefore,

Q: what is the total volume of a 17.6% m/v sodium phosphate solution in mL would be needed to have a…

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Q: Define 1. Solution 2. Solute 3. Solven

A: Solution is a mixture of two are more than two components. If two components are present it is…

Q: Calculate the mass of NaOH in 300.0 mL of an 8.00% w/w NaOH solution. Density is 1.09 g/mL.

A: Given, volume of solution = 300.0 mL  Density of solution = 1.09 g/mL

Q: Answer the following question: How many moles of ammonia are in 500. mL of a 2.25 M aqueous ammonia…

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Q: solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

A: A solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this…

Q: The average salt content of seawater is equivalent to 0.599 M NaCI (density What is the…

A: To solve this problem we will use formula to calculate ppm concentration, Molarity , Molality and…

Q: Give the mass of the solute and the volume of the solvent for 1.30 L of 0.130 M (NH4)2SO4 solution,…

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Q: Calculate the normality of a solution that contains 4.5 g of (COOH)2 in3000 mL of solution?…

A: Normality = gram eq. of solute/volume of solution in litre               = (mass/equivalent…

Q: 1)An aqueous solution of methyl alcohol is made by transferring 26.4 mL of liquid methyl alcohol to…

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Q: What happens to the freezing and melting point when salt, NaCl, is added to water, H2O. Do they…

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Q: Which type of glassware should be used to make this How should the correct amount of solute be…

A: 1. C should be used. 2. Measure out x gm of solid sucrose in the balance. 3. Molarity = no. of moles…

Q: Classify the solutions as unsaturated, saturated, or supersaturated. The solubilities of the solutes…

A: 66 g vitamin C in 200 mL water at 20°C Given: Solubility of Vitamin C in water = 33g/100 mL at…

Q: 6.) Calculate the percent by mass of potassium sulfate in a solution made from 49.21 g potassium…

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Q: Classify the solutions as unsaturated, saturated, or supersaturated. The solubilities of the solutes…

A: Saturated solution is the solution that contains maximum quantity of solute dissolved in the…

Q: Determine the mass of NaCl needed to make the following solution: 2.7 % NaCl in a total volume of…

A: given mass/volume ℅ = 2.7 volume of solution = 146 ml

Q: Identify the solute (s) and solvent in the following solutions. 1. coffee and sugar 2. Water and air

A: The answer for first two questions are given below.  kindly Repost the other question as separate…

Q: If the solubility of NaCl in water is 35.7g NaCl / 100g H2O, what is the minimal volume of water…

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