1. Find the AT_b, and a AT_f, of the solvent in a solution containing 4.62 grams of glycerol, C3H803, in 211 grams of ethanol.

Q: How do we prepare 500 mL of 0.4 M K + solution using solid KCl? (K: 39 g / mol Cl: 35.5 g / mol)

A: Given: Volume of K+ solution to be prepare V = 500 mL = 0.5 L Molarity of  K+ solution to be prepare…

Q: Of the given compounds, which is more soluble in water? Lö: H2C- H-Ć- CH2 H2 || O both are equally…

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Q: OH H2 .C. CH H3C CH3 ÓH Which solvent will best dissolve the compound? Given solvents: CH3 HC H2 HC.…

A: Solubility is the maximum amount of a substance that can be dissolved in a fixed amount of solvent…

Q: 2furoic adid isa white solid that follows this usual pattern as, 1 gram of 24uroic acid disolves in…

A: The experiment is based on the recrystallization of 2-furoic acid.

Q: 6. When 60 g of calcium chloride is dissolved in 500 g of Water, greater than (a) exists as a liquid…

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Q: form whan lo0.0ml of 4.0xl0 MgC(NQ); -4 My(NG)2 l00,0ml of 2.0 x10"M Na OH ? "M #14.Will a ppt. ù…

A: Given : Concentration of NaOH = 2.0 X 10-4 M Volume of NaOH solution = 100.0 mL = 0.100 L…

Q: Calculate the % (m/V) of 156 mL solution containing 18.2 g sodium chloride.

A: Given mass of solute = 18.2 g volume of solution = 156 ml

Q: 10. What is the initial volume, in mL, needed to prepare each of the following solutions? a. 250 ml…

A: For dilution of solution,  apply   C1V1 = C2V2

Q: Compute for the volume of a 5.0% (w/v) solution of ketamine contains 80 mg.

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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…

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Q: In many states, a person is legally intoxicated if his or herblood has a concentration of 0.10 g (or…

A: Given, the threshold concentration level for ethyl alcohol in blood is= 0.10 g/dL  We know that,…

Q: Question 6 Ethyl acetate is used as a solvent for varnishes, lacquers, dry cleaning, stains, fats…

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Q: Prepare a solution of 50 ml at 5% m / v of NaHCO3.

A: Given  The (m/v) percentage of NaHCO3 = 5% The volume of NaHCO3 solution required = 50 mL

Q: How much KCIo, is needed to make a saturated solution at 100 90 NANO 80 90°C? 70 60 CaCl 50 Pb(NO,),…

A: In the given graph on Y-axis solubility of the salt in 100 grams of H2O. On X-axis temperature is…

Q: prepare 50.0mL of 2.39% w/v acetic acid? 29 g/moles

A: The volume of the solution is = 50.0 mL The concentration of the solution is = 2.39 % w/v The solute…

Q: OH a. Will this compound be more soluble in water or an organic solvent (hexanes)? Explain your…

A: The objective of the question is to predict the solubility of given compound.

Q: How would you make 550 mL of 1:30 boric acid solution from 75% stock

A: The question is based on the concepts of solutions. we need to prepare the desired solution from the…

Q: How many moles of KI are contained in 3470 g of water in a 0.0175 m KI solution?

A: Molality is the ratio of number of moles of solute to the mass of solvent in kilogram. Molality =…

Q: What is the M of Nicotine 5.04g of this compound changes the freezing point of 90g of water

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Q: Which compound in each pair is more soluble in hexane? он (a) or II (b) or II NH2 (c) or II

A: Hexane is a non polar compound, so the compound which is less polar would be more soluble in hexane.…

Q: What's the expected f.p. of a 0.20 m aqueous CaCl2 solution? F.p. depression constant for water is…

A: Depression in freezing point or elevation in the boiling point of a solvent on adding certain…

Q: Answer the following Questions: 1. According to the phrase "Like dissolves Like", Polar molecules…

A: Solution: We are well-known to us that the phrase ''Like dissolves Like'', the polar molecules will…

Q: How many grams of (NH4)2CO3 are there in 199 grams of an aqueous solution that is 11.8% (w/w)…

A: Given :-  Mass of solution = 199 g  %w/w = 11.8 %  To calculate :-  Mass of NH4(CO3)2

Q: 1. Which product performs better in hard water: soap or VE detergent? Explain.

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Q: Describe how to prepare  100 mL of approximately 60% (w/v) NaOH from solid NaOH

A: Given :-  %(w/v) of NaOH solution = 60%  Volume of solution = 100 mL  To describe :-  Its…

Q: Calculate the mole fraction of Kl in a solution made by dissolving 3.4 g of Kl in 5.8 g of water.

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Q: At 25 0C under a pressure of 1.500 atm, carbon dioxide has a solubility in water of 0.2250 g/L At…

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Q: What is the m/m% concentration of a 326gram solution of NaoH that contained 75 grams of NaOH in…

A: Given, mass of solution = 326 g Mass of NaOH = 75 g Density of water = 1.0 g/mL mass percent (m/m%)…

Q: 11. Determine the concentration of a solution that has 3 moles of CH1206 dissolved in 9 liters of…

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Q: A 1.132 g sample of KHP (HKC8H404) required 28.05 mL of NaOH solution to reach endpoint. Calculate…

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Q: 06: One liter of a 500 ppm solution of KCIO3 contains how many grams of K*?

A: 500 ppm solution of KClO3  1 ppm = 1 mg/Lt  500 ppm = 500mg/Lt

Q: Find the final concentration of ethanol as a percent (v/v) when 30 mL of ethanol 50 % (v/v), 60 mL…

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Q: 7. How many Mg 2+ equivalents are found in 1.0L of a 1.0M solution of MgF2?

A: Here, we have to find the number of equivalents of Mg2+ that are found in 1.0 L of a 1.0 M solution…

Q: 10.Pure ethanol (C2H5OH) typically freezes at -114.6 °C, with a Kf value of -1.99 °C/m. If 50.00 g…

A: Pure ethanol freezes at -114.5 °c 50.00 g of Ca(NO3)2 is added in 700 g of ethanol. Freezing point…

Q: How do you know that 0.8% means 0.8 in 100mL?

A: Given,  How do you know that 0.8% means 0.8 g in 100mL? Use the formula as : Mass/volume percent =…

Q: How many molecules of sucrose are in the 2L of 2M solution?

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Q: tration of a solution when 9.5 g of K₂CrO4 is dissolved in 1700 mL of water? SL SME ? M

A: Given,  Mass = 9.5 g Molar mass = 194 g/mol Moles = mass/ molar mass   = 9.5/194 = 0.0490 mol Volume…

Q: Q4: A solution of 1.00m acetone (CH3COCH3, d= 0.788 g/cm³) in ethanol (CH-CH₂OH, d= 0.789 g/cm').…

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Q: Which of the following molecules will have appreciable solubility in an aqueous solution of 5% HCI…

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Q: A homeopathic teething gel states on its product label that it contains 0.0000003% alkaloid. Express…

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Q: Which of the following salts is the least soluble in a given volume of water? PbCl₂ Al(OH)3 Agl…

A: The question is based on the concept of solubility product principle.  It that states that when a…

Q: 7. Why don't solutions demonstrate the Tyndall effect?

A: Q . Why don't Solutions demonstrate the Tyndall effect ?