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: A. Na2S+CaCl2 CaS + Na → C. Zn(s) + H₂SO4 → ZnSO4+H2 1 B. Cu (g) → Cu²(g) + le D. Cu(g) → Cu¹*(s) +…

A: Ionization energy (EI): When an electron is removed from the outermost shell of an isolated gaseous…

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: How many milliliters of a 0.131 molar HCl solution is required to make 50.0 mL of a 0.071 molar HCl…

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Q: 1. Find the molarity of a 500 L solution that contains 10 moles of fluorine solute.

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: If the value calculated in question 20 had been greater than the theoretical value, select from the…

A: If a theoritical value does not match with actual value, there could be multiple source of error.…

Q: Sherri is asked to dilute her prepared CuCl2 solution with a volume of 655ml CuCl2 and a…

A: Given  Initial Volume of Solution (V1)= 655 mL                                                 =…

Q: Molarity Calculations. Report answers with correct units and number of sig figs please. 1. How many…

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Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

A: Concept used: Density = mass VolumeSpecific Gravity =Density of solutionDensity of reference

Q: It takes 24.35 mL of a 0.35 M HCI solution to neutralize 36.44 mL of NaOH solution. Calculate the…

A: The molarity of NaOH solution can be calculated as

Q: PROCEDURE D: Graph concentration versus absorbance, using Y axis for absorbance and X axis for…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Be sure to answer all parts. What is the molarity of a solution prepared using the given amount of…

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Q: What is the mass of 5 ul distilled water?

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer…

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: 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: 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: calculate the final volume of a 0.0315M solution prepared by diluting 32.5mL of 0.153M lithium…

A: A question based on concentration terms. The volume of the final solution after being diluted is to…

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: 12.0−mL portion of 7.00 M stock solution is to be diluted to 0.300 M. What will be the final volume…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: In a hydrate, the ratio of salt molecules to water molecules is a _____number.

A: A hydrate is an ionic compound that has a definite amount of water molecules attached to its…

Q: A saline solution contains 0.980 g of NaCl (molar mass= 58.55 g/mol) in 81.6 mL of solution…

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Q: For each of the following solutions, the number of moles of solute is given, followed by the total…

A: Molarity defined as no. of moles of solute present in 1 liter of solution.

Q: In standardization of iodine 12 solution, 15.0 mL of 12 solution needed 32.0 ml of 0.020 M sodium…

A: Given:  Volume of I2 solution used= 15.0 ml  Molarity of I2 solution = M  Volume of sodium…

Q: What’s the difference between sour and bitter?

A: A taste is a sensation felt by us when we eat something and it reacts chemically with the taste…

Q: 3.88g of NaOH is required to neutralize a spill of hydrochloric acid. A 0.516M solution of NaOH is…

A: Given data is as follows: The mass of the NaOH = 3.88 g The molarity of the NaOH solution = 0.516…

Q: 2. How many mL of 0.10 M H,SO, can be made from 50.0 mL of 0.25 M H,SO,?

A: Number of moles of solute to the volume of solution in liters is known as molarity.

Q: 1.b

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: keAssignment/takeCovalentActivity.do?locator=assignment-take [Review Topica) [References] Use the…

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