Why do we need to use six separate pipets for known solutions and a different six separate pipets for the unknown solutions, and having them all be dedicated to it's own solutions?

Q: 1. A solution is made by mixing 300 g of sucrose in 900 ml of pure water to produce a solution with…

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Q: Determine the molality of solution consisting of a 360g acetic acid (CH3COOH) and 600g of water.

A: We are given 360g acetic acid in 600g of water, and we need to find molality of this solution.

Q: What is the effect of a nonvolatile solute on the vapor pressure of a liquid? Why is the vapor…

A: While adding the non-volatile solute into the solvent, the tendency of solvent molecule to evaporate…

Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

A: Mole fraction of a particular gas in a mixture is defined as the ratio of the number or count of…

Q: Explain the difference between an ideal and a non ideal solution.

A: An ideal solution is the one which obeys Raoult’s law over the entire range of concentration and it…

Q: In the following reaction calculate and find the normality when it is 1.0 M H3PO4 H3ASO4 + 2NAOH -…

A: If H3PO4 used,then H3PO4 +NaOH-Na2HPO4+ 2H2O In the above equation replacable Hydrogen atom=2…

Q: According to Henry’s law, how do partial pressure andsolubility of a gas affect its concentration in…

A: The relation between gas solubility to pressure is described by Henry's law. According to Henry's…

Q: The golden rule of solutions is "Like dissolves like." Describe the formation of an aqueous solution…

A: Ionic compounds are those which are formed of the ions like the cation and anions. Cations are the…

Q: A student dissolves 13.7 g of sodium chloride (NaCl) in 300. g of water in a well-insulated open…

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Q: A solution is continuously flowing into the apparatus at the top and out at the bottom such that…

A: A solution is continuously flowing into the apparatus at the top and out at the bottom such that…

Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

A:

Q: At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If the concentration of…

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Q: Assuming equal solution concentrations, what could be the possible identities of the solutions in…

A: Conduction is the ease of flow of electricity through the substance The substance which allow…

Q: Describe the ideal condition/set-up for recrystallization of substances. What are the factors to…

A: A question about re-crystallization, which is to be accomplished.

Q: Think and discuss: Colligative properties depend only on the number of particles, not the identity…

A: Solution: We know that the freezing point of pure water is 0 degree Centigrade. But if.we add small…

Q: Perchloric acid (HClO4, MW = 100.458) is commercially available as a 72.5% solution with a density…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: Calculate the molality of a solution containing 0.125 mol of a non-electrolyte solute dissolved in…

A: The molality is used to represent the concentration of solute present in a given solvent. Molality…

Q: The solubility of substance “X” in pure ethanol is 0.1 gm/lit and in water is 0.01 gm/lit.To…

A: In order to solve this question, we will proceed via unitary mathod to determine how many times we…

Q: Benzene CH, and toluene C, H, CH3 form an ideal solution. At 30 ° C, the saturated vapor pressure of…

A: We will use formula given by Raoult

Q: State Raoult’s law in its general form with respect to solutions.

A: Raoult’s law describes the behavior of solution after addition of solute to the solvent forming a…

Q: fractional distillation

A: Fractional distillation is the separation of a mixture into its component parts, or fractions.…

Q: How could you distinguish solution of sodium chloride (table salt) from a solution of sodium iodide…

A: A question based on writing chemical equation, which is to be accomplished.

Q: A solution contains 45.0 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of…

A: Find the solution below

Q: A solution contains only sucrose and water. If the mole fraction of sucrose is 0.0558, determine the…

A: Molality can be determined from mole fraction of solute using the given formula,

Q: Suppose you have a solution containing liquids A and B where the mole fraction of A is 0.40.…

A: We will calculate first Ptotal and them use formula for mole fraction in vapour phase.

Q: The Browning motion in colloidal solution comes from equal velocities and collisions of solute and…

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Q: For an ideal solution, which of the following is/are true? I. ΔH = 0 II. ΔS = 0 III. P solution = Ʃ…

A: For an ideal solution, which of the following is/are true given below.

Q: A solution contains 45.0 g of methanol, CH3OH, dissolved in sufficient water to give a total mass of…

A: In chemistry, mole is a standard notation which is used to measure the quantity of the amount of…

Q: mole fraction

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Q: This question is related to chemical potential in a solution and how it relates to physical…

A: Since your question has multiple parts, we will answer the first question for you. If you want…

Q: For a 1.50 mol/kg 25°C sucrose solution in water - for the solute sucrose. For this solution, find…

A: Sucrose  is a carbohydrate  and its molecular formula is  C12H22O

Q: 46.29 g of KOH is dissolved in 250. mL of water. (Please pay attention to sig figs!) What is the…

A: Molarity = moles/liters Molal = moles/1000 g

Q: Consider a mixture of hexane and heptane as an ideal solution. In what proportion by mass should…

A: ∆mixS is the entropy of mixing which is defined as the increase in entropy when two or more separate…

Q: Explain why the colligative properties of a solvent are affected more by the dissolving of an…

A: Colligative properties of the solution are the properties that depend only on the concentration of…

Q: The molality (moles per kg of water) of a 1.000 M solution of silver nitrate (FW 169.9 amu; AgNO3)…

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Q: 0.9% (w/v) sodium chloride (MW = 58.44 g/mol) solution (Normal Saline Solution) has an osmotic…

A: 0.9% (w/v) MW = 58.44 g/mol osmotic pressure = 3.91 atm T = 25ºC

Q: Colligative property depends on the concentration as well as the chemical identity of the solute…

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Q: Non-ideal solutions exhibit either positive or negative deviations from Raoult’s law. What are these…

A: Raoult's law - It states that the partial vapor pressure of solvent in a solution is equal to vapor…

Q: A student dissolves 13.2 g of sodium hydroxide (NaOH)in 300. g of water in a well-insulated open…

A: Exothermic reaction: The chemical reaction in which heat is generated is called as exothermic…

Q: I add a non-volatile solute to a pure solvent to form a solution. Will the vapor pressure of this…

A: It is given that a solution is formed by the addition of non-volatile solute.

Q: The following test data were obtained for an aqueous solution of calcium chloride. Mass of empty…

A: Given,  The Mass of empty 100-mL graduated cylinder=36.2 g             nn…

Q: Determine the molality of a 6.930 wt % aqueous solution of LiCl

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Q: For an ideal system, the reduction of the chemical potential of the solvent molecules due to the…

A: Colligative properties are important properties of solutions as they describe how the properties of…

Q: Kindly decribe the effect of concentration on the colligative properties of a solution and…

A: There are certain properties which don't depend upon chemical composition or chemical constituent…

Q: Explain why the presence of a non volatile solute in solution reduces the tendency of the solvent…

A: Nonvolatile term says that the solute itself has little tendency to evaporate. Since, some of the…

Q: Which of the following best describe the coagulation of particles?   A. Numbers of particles come…

A: Coagulation is a process of combining particles, colloids and dissolves organic  material into large…