The solubility of benzoic acid in water is 0.90 g per 100 ml at 0 oC and 10.00 g per 100 ml at 100oC. What is the minimum amount of water needed to recrystallize a 15.00 g sample of benzoic acid? How much would be lost in the recrystallization, that is, would remain in the cold solvent?

Q: brine water collected from a reverse osmosis desalination plant. The collected water sample was…

A:

Q: What would the specific gravity of the solution likely be if 100 mg of NaCl is placed in 1 L of pure…

A: Specific gravity of the solution is equal to the ratio of density of substance and the density of…

Q: An organic chemistry student prepared 110. mL of a cyclohexane-ethanol solution at 24.0 °C by…

A: The volume of solute in milliliter present in 100 mL solution is known as the volume percent…

Q: Which two chemicals make up the 50/50 fractional distillation and which two make up simple…

A: Simple distillation is the process in which two or more liquids are get separated with the simple…

Q: You were tasked explore the different colligative properties of solution in your Chem 16.1 Lab…

A: The depression in freezing point of a solution is calculated as,…

Q: The solubility of sodium acetate at 20° C is 46.5 g per 100 grams of water. When 50.0 g of sodium…

A:

Q: A glass plummet weighs 15 grams in air. When immersed in water, it weighs 8.5 g. When immersed in…

A: Given the mass of plummet in air, mair = 15 g  Mass of plummet in water, mwater = 8.5 g  Mass of…

Q: A. Critical point: 374 C, 218 atm. B. Liquid is more dense variation. C. Triple point: - 56.4 C,…

A: Colligative properties are the properties that depend on amount of substance but do not depend on…

Q: 4. Explain why aspirin is more soluble in ethanol than in water. For either of these solvents…

A: The basic rule of solubility is like dissolves like i.e., polar solvent will dissolve polar solute…

Q: During a recrystallization, what are 3 ways to induce crystallization of a sample if it at first it…

A: Recrystallization is a purification technique in which solid impure compound is dissolved in…

Q: The question is:   A student preforms a crystallization on an impure sample of biphenyl. The sample…

A: Benzene is a very bad solvent to use to recrystallize biphenyl.If the solubility properties of two…

Q: Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant…

A: Solution: By defination, molarity is nothing but the ratio of moles of solute in given liter of the…

Q: Mikaela is a STEM student who is currently having her General Chemistry 2 subject. Today, she is…

A: The concentration is expressed in different forms like molarity, normality, and molality. Solute and…

Q: You've just synthesized a new molecule and need to purify it by recrystallization. You find that it…

A: Recrystallization is one of the purification method . Mostly used for purify solid organic…

Q: The partial molar volumes of acetone and chloroform, in a solution in which the molar fraction of…

A:

Q: Three common compounds used in "ice melt" are magnesium chloride, calcium chloride and sodium…

A: #(a): Solubility(S) is calculated as the moles of solute per L of the solution.  Given 37.45 g CaCl2…

Q: The solubility of benzoic acid (0 C) is .02 g per 100 ml of H2O and that of acetanilide is .53 g per…

A: The solid substances can be dissolved in the appropriate solvent by the principle termed "like…

Q: A solution of 75 mM tartaric acid (CaH,O6) in water is used as a standard in HPLC analysis. How many…

A: We know that 1 molar solution stands for 1 mole solute is dissolved in 1 litre solution.  Now, we…

Q: A solution is made by dissolving 20.0 mL CH,CN (density = 0.786 g/mL) in 100.0 mL CHCI, (density =…

A:

Q: To determine the freezing point depression of a LICI solution, Toni adds 0.378 g of LiCI to the…

A: ∆Tf = i × Kf × m Where ; ∆Tf = depression in freezing point  i = van't Hoff factor  ( For LiCl , i =…

Q: The rate at which a solid substance dissolves varies directly as the amount of undissolved solid…

A: Given, 2 grams of A dissolves in 1 hour

Q: Consider a solution in which 33.0 grams of scandium phosphate (ScPO4) has been added to 450 grams of…

A:

Q: Suppose you have 1 g of a solute X (K = 10) in 100 mL of water (solvent 1) and you want to extract…

A: Liquid-liquid extraction

Q: In regards to freezing point depression:  The original experiment calls for 3 grams lauric acid and…

A:

Q: Why is fractional distillation more efficient than simple distillation when purifying liquid…

A: Fractional distillation is used to separate a mixture of liquids with similar boiling points…

Q: Explain how acidification or neutralization can impact the solubility of a compound (for example,…

A: In neutralization reaction,  both weak and strong acid forms a salt. That salt dissociate easily…

Q: Out of water, ethnaol, and pentane, i think pentane would be a good solvent at room temperature for…

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: 5. Chemical Xis a solid with white color that forms large crystals. The solubility of chemical X in…

A: Solubility of a substance is the grams of substance dissolved in 100 g of H2O.

Q: 2. When performing the recrystallization of an impure solid, why is it advised to use the minimal…

A: Recrystallisation is a technique is used to obtain the pure compound from the impure mixture.  It is…

Q: TRUE OR FALSE: 1. Solids such as naphthalene when heated will pass thru a process called…

A: 1. Solids such as naphthalene when heated will pass thru a process called condensation prior to…

Q: Match the letters on the image with what they represent. TEMPERATURE- D B F QG Freezing point…

A: The answer is as follows:

Q: Calculate the volume of concentrated (98% v.v) H2SO4 that you will need to prepare 250ml of an 5.4 M…

A:

Q: To 500 g of K2Cr207 solution with a mass fraction K2Cr207 5% added 300g of water. Determine the mass…

A: Given :-  Mass fraction of K2Cr2O7 = 5%  Mass of solution = 500 g  Mass of water added to the…

Q: Explain the fraction distillation of non-ideal solution, which show negative deviation from Raoult’s…

A: A negative deviation from Raoult's Law Nitric acid and water form mixtures in which particles break…

Q: What is the solubility of sodium sulphate in water at 30°C (Round your answer to the nearest 10, and…

A:

Q: After the ethyl acetate is evaporated, Q and R (a mixture of liquids) remain. A) What criteria does…

A: Distillation is a process to separate two mixtures with different boiling points by applying heat.…

Q: Describe the characteristics that a crystal obtained through recrystallization must have, the final…

A: Recrystallization is basically a purification technique. Recrystallization is a process in which the…

Q: What is the kinetic property observed in suspension? What is the optical property observed in…

A: It is a heterogeneous mixture of solid particle suspended in a solvent.  The solid particles are…

Q: What volume (in microlitres) of a stock solution of 25% KCl would you need to generate 12.5mL of a…

A: Given that -  Percentage concentration of stock KCl Solution = 25%  Percentage concentration of new…

Q: A mixture of 50 mol % benzene and 50 mol % toluene is distilled under exactly the same conditions as…

A: The temperature at which the vapor pressure of a liquid or a pure compound or a mixture equals 1 atm…

Q: Calculate the vapor pressure of water at 90degree celsius in a solution containing 5.00g of glucose…

A: This problem can be solved by uaing Roult's law of lowering of vapour pressure . To solve this first…

Q: Assume that your compound recrystallizes equally well from benzyl alcohol and isopropyl alcohol.…

A: Benzyl alcohol : C6H5CH2OH isopropyl alcohol : C3H8O

Q: 12 g of compound “Y” dissolves in 10 ml of acetone at 25 oC and 0.85 g of the same compound…

A: The impure sample can be purify using the recrystallization technique that involves preparation of…

Q: Find the freezing point (Tr) and boiling point (Tb) of a solution containing 4.0g sucrose…

A: Given :  Weight of sucrose = 4.0 gm  Weight of water = 500 gm

Q: Q2. You want to purify 10 grams of benzoic acid that has been contaminated with 0.2 g of salicylic…

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

Q: One gram of caffeine dissolves in 55 ml of water, 7 ml of dichloromethane (DCM), 530 ml of diethyl…

A: The solubility of a compound in a solvent depends on the type of compound and the solvent. Polar…

Q: 1.) How many grams of a 75% v/v hydroalcoholic solution should be used in preparing 16 fl.oz. of a…

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

Q: the solubility of any organic material in a given solvent is due to the intermolecular forces…

A: "Like dissolves like" is the thumb rule for dissolution of solute in solvent. This means that ionic…

Q: An experiment was conducted using KNO3. The table below shows the data obtained after dissolving…

A: Given, 2g in 10ml saturates t 52.5°C 4g in 10ml saturates t 54.7°C 6g in 10ml saturates t 66.7°C 8g…