Which method(s) for determining concentration is/are valid? Calculating from a dilution Calculating from mass and volume data Calculating from absorbance data using Beer's Law All of the above

Q: Question 72 of 96 What volume in L of a 0.32 M Mg(NO,) solution contains 45 g of Mg(NO,) molMetNO.…

A: Given data: Concentration of Mg(NO3)2 = 0.32 M, Mass of Mg(NO3)2 = 45 g, Molar mass of Mg(NO3)2 =…

Q: just give answers please and label answer so I know  1. What volume of 2.50 M NaOH (40.00 g/mol)…

A: (1) Molarity of the solution is the number of Moles of the Solute Present in one liter of the…

Q: Calculate the molarity of 25.0 grams of KBr dissolved to 750.0 mL.

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

Q: How many millilitres of 0.132 mol L-1 HCIO, solution are needed to neutralize 50.00 mL of 0.0789 mol…

A: In acid-base titrations, equal equivalents of acid and base react, and neutralisation takes place.

Q: Question 5 In your own words, explain why water is known as the "universal solvent." Answer in…

A: Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance,…

Q: What volume (in liters) of solution will be required to make a 1.50 M solution of 48.9 grams of…

A: Given data, Molarity = 1.50 M Mass = 48.9 g Molar mass = 68.946 g/mol To calculate the volume in…

Q: Find the molarity of acetic acid prepared by diluting 34.9 mL of concentrated (glacial, 17.4 M)…

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Q: Starting with a 6.649 M stock solution of HNO3, five standard solutions are prepared via serial…

A: Given that the initial molarity of stock solution of HNO3 is 6.649 M. It has been diluted to 100 mL.…

Q: Match each compound with the type of electrolyte it is. Drag and drop options on the right-hand side…

A: The electrolytes given are HNO3, NaCl, sugar, acetic acid, Na2CO3 and CaCO3.

Q: 1. You are told to perform a 1:4 dilution of a blood sample with a final volume of 10 ml. How would…

A: 1. Given that,  Final volume of the sample after dilution = 10 mL Dilution ratio of blood sample…

Q: A KNO3 solution is made using 92.4 g of KNO3 and diluting to a total solution volume of 1.80 L.…

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Q: 44) What volume of a 4.00 M KCl solution is required to prepare 100. mL of an 8.00 M KCI solution?…

A: We can use the below given relation to calculate the volume of solution required to prepare a…

Q: Rel. Abundance -유 uadd 00'L 779620.56 mt= 150 0.0 +0'0 08 091 120 -09 -00- MASS SPECTRUM

A: In Proton NMR: Number of signals = number of sets of protons with different electronic environment…

Q: a) Calculate the number of atoms of 'C' in it. b) Calculate the number of atoms of 'H' in it. c)…

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Q: Me Br OMe Br à Br MeO Br Br Br

A: The objective of the question is to name the given compounds

Q: in a pure sample of blue vitriol, the Cu content is 25.45%. what is the percentage of water?

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Q: Question 3 If you surpass the mark when filling the volumetric flask upon making the sample…

A: Concentration of the solution depends on the mass of solute dissolved and volume of the solution.

Q: Question 5 Which of the following describes a method to dilute a concentrated solution? O Adding…

A: A method to dilute a concentrated solution is –   – We can dilute the solution by adding enough…

Q: d) A stock solution of potassium hydroxide, KOH, is 1 mol dm³. X cm³ aliquot of this solution is…

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

Q: How many mL of 0.900 M K2SO4 solution should be taken to prepare 250 mL of 0.450 M K2SO4 solution?…

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Q: based on the PhET molarity simulation if you increase the amount of water in an aqueous solution you…

A: the amount of the substance that dissolves i n a provided volume of the solvent to yield a solution.…

Q: A burette had an initial volume of 5.2 mL and a final volume of 32.6 mL, what is the amount of…

A: Given data is as follows: The initial reading of the burette V1= 5.2 mL The final reading of the…

Q: student begins lab with 238.6 ml of 3.6 Hcl. They re instructed to dilute solution so that the…

A: Initial volume of HCl= 238.6 mL Initial concentration of HCl = 3.6 M Final concentration of HCl =…

Q: Why do solutions need to be standardized? A to know concentration of solution to high precision B to…

A: Practical chemistry:

Q: Concentrated sulfuric acid has 98 % mass with a density of 1.84 g/mL, determine the molarity of…

A: We have given that  Concentrated sulfuric acid has 98 % mass with a density of 1.84 g/mL. Molarity :…

Q: In the laboratory you dilute 5.54 mL of a concentrated 3.00 M hydrochloric acid solution to a total…

A: Given data is as follows: The Molarity of the hydrochloric acid  M1=3.00 M The volume HCl = 5.54 mL…

Q: Short answer: 1. Sodium reacts with water to produce hydrogen gas and sodium hydroxide. If 15 g of…

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Q: Given the following standard curve, answer the questions. See attachment  A) If an unknown solution…

A: The graph reading should be done by sketching the line with given coordinate on X axis and Y axis…

Q: A 61.0 mL portion of a 1.40 M solution is diluted to a total volume of 278 mL. A 139 mL portion of…

A: We have to calculate the final concentration of solution after dilution

Q: How to separate solutions and find the molarity of a solution within a mixture of solutions

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Q: Calculate the molarity of a solution that contains 8.97 grams of NaCl dissolved in 0.052 liters of…

A: Mass of NaCl = 8.97 g  Volume of Solution = 0.052 L  Molar mass of NaCl = 58.44 g/mol  Moles of NaCl…

Q: An unknown mass of NasPO4(s) is dissolved in water to form 50.00 mL of solution. This is Solution A.…

A: Mole from number of atoms,                           Mole of 4.408 × 1020 Sodium ions is,…

Q: calculate the molarity of a solution made by diluting 0.082 L of 2.4 M HCl solution to a volume of…

A: Recall the relation-           V1M1=V2M2Where initial volumeV1=0.082 L         initial…

Q: Give at least 10 solutions (solid or liquid) and identify the solute and the solvent. SOLUTION…

A: 10 examples are given

Q: An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2 F solution. The specific…

A: We are authorised to solve only first three subparts of the question. Please post rest of the…

Q: Determine the initial volume of 1.50M AlPO4 stock solution to make 30 mL of a .500M AlPO4 solution

A: Data given: Initial concentration of AlPO4, M1 = 1.50 M Initial volume of AlPO4, V1 = ? mL Final…

Q: how many milliliters of 0.659 m h3po4 will contain 0.12 mol h3po4

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Q: For what anions are most of the compounds usually insoluble?

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Q: What volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471, in scientific notation

A: The number of volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471M has to be…

Q: To what volume should you dilute 25 mL of a 12MH2SO4 solution to obtain a 0.17MH2SO4 solution?…

A: Given information is: Molarity of H2SO4  present = M1 = 12M Volume of H2SO4  present  = V1 = 25mL…

Q: A 74.0 mL aliquot of a 1.60 M solution is diluted to a total volume of 268 mL. A 134 mL portion of…

A: The number of moles of aliquot in the first solution is calculated using equation (1). In this…

Q: elements refer to the periodic table. Question 1. Explain how to prepare 750 mL of a 0.05 M solution…

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…

Q: Calculate the percentage of sweetener by adding 20 ml of methyl alcohol to 150 ml of water. What is…

A: Given,  20 ml of methyl alcohol is added to 150 ml of water.

Q: The symbol for molarity is ______. The units of molarity are ______.

A: Molarity is defined as the moles of a solute per liters of a solution