Is prepared by dissolving a definite weight of a substance in a definite volume. a. primary standard b. secondary standard c. standard addition d. standard sample e. standard solution

Q: 4. Why is it necessary to standardize a sodium hydroxide solution? a. Sodium hydroxide is basic…

A: The NaOH is Alkaline (basic) in nature . In the titration reaction base is used. The base is…

Q: 1. Which method can be used to remove temporary hardness but not permanent hardness from a sample of…

A: (1) Given methods are -  A. Washing sodaB. Ion-ExchangeC. Boiling    (A). Washing soda method -  In…

Q: In liquid "X", you notice that the liquid is completely clear and see through. There no is…

A: A solution is a homogeneous mixture that consists of two or more substances. A solution might exist…

Q: What simple chemical test can be done to tell the difference between the following (choose only one…

A: Acylation without presence of any lewis acid goes for n-acyl product. Normal benzene moiety don't…

Q: A 1.2525 g sample of canned tuna was analyzed by the Kjeldahl method: 30.25 mL of 0.1200 N HCl was…

A: The given data contains, mass = 1.2525 g. Volume = 30.25 ml = 0.03025 L. Normality of HCl =0.1200 N.

Q: A solution is made by diluting a standard solution by adding equal volumes of the standard solution…

A: Given : Solution is made by diluting a standard solution and distilled water .  To find :…

Q: Calculate the molar concentration of 50.0kg KNO3 dissolved in 1.50 liters of solution A. 1.330 M B.…

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Q: Which of the following is a good description of a standard solution as a titrant? Section а.…

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Q: A 20.0 mL sample of an HCl solution is titrated with 27.4 mL of a standard solution of Ba(OH)2. The…

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Q: Define a. Digestion b. Reprecipitation c. Precipitation from homogeneous solution

A: Precipitation- precipitation is defined as the process which forms an insoluble compound either by…

Q: A solution failed to undergo recrystallization. Which of the following steps may be taken to reduce…

A: The correct option is as follows:

Q: These are samples of about the same size that are carried through an analysis in exactly the same…

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Q: 3. A student followed the procedure of this experiment to determine the percent NaOCI in a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The concentration of the HCl solution obtained by Mix 150 mL HCI, 0.4 M with 100 mL of HCl is... A.…

A: Given: Molarity M1 of 1st HCl = 0.4 M Volume V1 of 1st HCl = 150 mL Volume V2 of 2nd HCl = 100 mL…

Q: What is the molarity of a solution containing 72.06 grams of BaCl2 in enough water to make 800 mL of…

A: The molarity is calculated as the number of moles of solute divided by the volume of the solution…

Q: 15. True/False: Some dissolved ions can recombine with the crystal. 16. True/False: More NaCl can…

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Q: Which of the following properties of precipitates is desired in gravimetry? a. Large b. Pure c.…

A: Gravimetry is the methods set which is used in analytical chemistry for the determination of the…

Q: Suppose you test a sample of a carbonated beverage with concentrated nitric acid and 2.5% ammonium…

A: Carbonated drinks are those which contains the dissolved carbon dioxide. The pressence of carbon…

Q: The sôlution of known concentration is called Original Solution O A. Indicator OB. Buffer Solution…

A: A standard solution : standard solution is a solution containing a precisely known concentration of…

Q: 36. Titrating a 10.00 mL aliquot of 0.150 M NaOH with 0.120 M HCl will require a. 8.00 mL b. 0.18…

A: Calculation is given as follows

Q: 16. Concentrated glacial acetic acid is 99.7% H3CCO2H by mass and has a density of 1.05 g/mL. What…

A: Given,  Concentrated glacial acetic acid is 99.7% H3CCO2H by mass i.e. 99.7 g acetic acid in 100 g…

Q: A 0.4482 g sample of impure NaCN is titrated with 0.1018 M AgNO3 requiring 39.68 mL to reach the end…

A: The reaction is, NaCN + AgNO3 ---> AgCN + NaNO3 From the reaction, we can conclude that 1 mol of…

Q: 16. The concentration of a 1500mL aqueous KCI solution was increased from 25.0 M to 80.0 M by…

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Q: If a solute is added to a saturated solution of that same material at the same temperature… A. All…

A: Introduction: When an ionic salt dissolves in water, the salt will start to dissolve in water. On…

Q: Chloride in a brine solution is determined by the Fajans method. A 10.00-mL of solution is titrated…

A: Titration is an analytical technique that aids in the determination of an unknown concentration of a…

Q: 1. Which solution would contain the highest concentration of ions (i.e., yield the most moles of…

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Q: Choose all options that will lead to an unsuccessful titration.   a. Before filling the burette…

A: A multiple choice question based on quantitative analysis, which is to be accomplished.

Q: The value of the solubility product constant, _____. a. Decreases with a rise in temperature b.…

A: When we stir the salt in water, it disappears. That's because it got dissociated into its ions,…

Q: While making a stock solution of NaSCN using 0.8 g of NaSCN in a 10 mL volumetric flask. 750…

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

Q: The correct definition of the Ksp is ..... a. The product of the number of particles of the solution…

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Q: Which of the statements given below is correct? A. Iodometry is a method in which 12 solution is…

A: A.Is correct statement The presence or absence of elementary iodine signals the end point of…

Q: 2. The solubility of a gas in a liquid would be increased by an a. increase in pressure on the gas.…

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Q: Fill in the blanks by writing the name of the definition: is a method of purifying a substance by…

A: There are different type of separation methods for separating two or more components from the…

Q: Which of the following would decrease the rate in which a solid dissolves in a liquid? A. increasing…

A: A supersaturated solution is a solution that contains more than the maximum amount of solute that is…

Q: A 0.20 g sample of primary standard Na2C204 (134 g/mol) needed 37.22 mL of of KMN04 solution to…

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Q: Why must the following analysis be conducted in bodies of water? c. Total hardness

A: Total hardness of water plays vital role in water bodies.

Q: 54.Primary standard used in the standardization of sulfuric acid a. Benzoic acid C. Sodium carbonate…

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

Q: A solution containing 10. mmol of and 5.0 mmol of is titrated with 1.5  M HCl. What total volume of…

A: In this millimoles of HCl should be equal to millimoles of Base.