How many grams of CaCl2 are needed to make 716.9 g of a solution that is 28.0% (m/m) CaCl2 in water? Note that mass is not technically the same thing as weight, but % (m/m) has the same meaning as % (w/w).   grams CaCl2=            How many grams of water are needed to make this solution? grams H2O=

Q: A student wants to make a 250 mL stock solution with a concentration of 1000 mg -N/L. The student…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Some people have begun to formulate their own window-cleaning solutions using commonly available…

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Q: What is the mass percent of sodium chloride in a solution prepared by adding 15 g of sodium chloride…

A: Mass percent is defined as  Mass percent = mass of component X 100 / total mass of sample

Q: If 56.1 grams of NaCl are dissolved in 44.0 mL of Sulfuric acid, H2SO4 Sulfuric acid has a density…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

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: Q5- Calculate the number of grams of solute in: - 1 L of 0.2N Ba(OH)2 solution (Mwt 171 gimole). b-5…

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Q: In order to maintain a sodium chloride (NaCl)concentration similar to ocean water, an aquarium must…

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Q: 1.Bleach solution contains the solute sodium hypochlorite (NaOCl). How many grams of NaOCl are in…

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Q: How many mL of water is in 950.0 mL of a 0.25 M NaCl solution? The Density of NaCl=2.165g/mL

A: Molarity (M) The equation to calculate molarity is ; M=given massmolar mass×volume of solution(L)

Q: t mass of potassium permanganate (KMNO4) is necessary to make 500. mL of a 0.100 M solution?

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Q: If KNO3 has a solubility of 31.6 g in 100. g of H2O at 20 ∘C, how many grams of water are needed to…

A: The maximum mass of solute that can be dissolved in the given amount of the solvent is known as…

Q: Commercial concentrated aqueous ammonia is 28.0% NH3 by mass and has a density of 0.900 g/mL. What…

A: We have given that   Commercial concentrated aqueous ammonia is 28.0% NH3  by mass density of 0.900…

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: Given a 28.6% solution by mass of ethylene glycol in water, what mass of solution is needed to…

A: Given, Solution % = 28.6 % Mass of ethylene glycol = 10.0 g  Mass of solution = ? The formula used…

Q: How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 3.50g of sodium…

A: Weight/Volume Percentage Concentration is a measurement of the concentration of a soluton.  It…

Q: (a) At a temperature of 45 ºC, will a solution made with 13.37 g KNO3 in 15.0 g water be saturated…

A: A). According to the solubility chart, At 45 °C  mass of KNO3 soluble in 100 g of water = 71 grams.…

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

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Q: Calculate the boiling point of a solution of 154.09 g of ethylene glycol (C2H6O2) (MM = 62.0678)…

A: When ethylene glycol will add in water then elevation in boiling point is given below.…

Q: you are given 4 solutions: A. 15g of glucose in 500mL of water B. 600mL of 4% fructose  C. 0.9L…

A: As per the rules, only the first three sub-parts can be answered

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: a slotutipn of hydrochloric acid in water is 60.0% hcl and 40% water h20, by weight . the solution…

A: To calculate the concentration of a solution some units are used, One of the most used measurement…

Q: 3. In an experiment at 20 °C, the density of methanol is found to be 0.7915 g/mL and that of water…

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Q: You have 150 g of a bleach solution.  The percent by mass of the solute sodium hypochlorite (NaClO)…

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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: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: A lab technician prepares a 1.8M aqueous solution of copper (II) sulphate (CuSO4). The density of…

A: Number of moles of  CuSO4 in 1 L of solution = Molarity = 1.8  Mass of solution = Volume x density =…

Q: How many grams of CaCl2 are needed to make 388.8 g of a solution that is 34.0% (m/m) CaCl2 in water?…

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Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A: A dextrose solution containing 7.00 g of dextrose in 3.00 × 102 mL of solution .We have to…

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: The density of water at 25 degree Celcius is at 0.9975 g/ml and the density of ethanol, C2H5OH, is…

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Q: What is the density of a solution

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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: How many grams of sucrose are needed to make 925 mL of a 32.0% (w/v) sucrose solution?

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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 concentration of the solution in percent by mass when 140 grams of KCl is dissolved in…

A: Mass/volume % concentration is calculated as mv% =mass of solutevolume of solution×100% Molarity of…

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

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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: A beaker in front of you hold 95.0 g of a solution containing 33.375 g of sodium chloride in water.…

A: Solution is made up of two components: solute and solvent. Component which is present in minor…

Q: Calculate the percent by volume of a solution that contains 5.0 ethanol in 250 mL solution?

A: The concentration of any substance can be expressed in different ways such as molality, molarity,…

Q: You are given a protein solution with a concentration of 0.15 mg/ml. Suppose that we want to prepare…

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Q: A diluted solution of sulfuric acis , H2SO4, has a density of 1.523 g/mL. The solution contains 50.0…

A: We will first calculate the number of moles of solute, then volume of solution. Finally find…

Q: The aqueous solution of hydrochloric acid (HCl) with a concentration of 1.12 M has a density of 1.19…

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

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Q: A particular water sample that is saturated in CaF2 has a Ca²+ content of 105 ppm (that is, 105 g…

A: Given: The Ca2+ content of the water sample that is saturated in CaF2 = 105 ppm We have to calculate…

Q: A chemistry student needs 75.00 g of acetyl bromide for an experiment. She has available 150. g of a…

A: Given the desired mass of acetyl bromide = 75.00 g  % w/w of the solution of acetyl bromide in…

Q: An aqueous solution of acetone is made by transferring 6.86 mL of liquor acetone to a 100 mL…

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Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 8.00 g8.00 g of…

A: Mass per volume percentage concentration is defined as the mass of the substance in grams dissolved…

Q: H.W: 1- A solution of KCl (its volume =500 mL) contains 7.45 ppm KCl. Calculate its Molarity and…

A: Since you have asked multiple questions, we will solve the first question for you.If you want any…