Prepare 300ml of a 2M solution form 12M CuSO4 stock. Put into M1V1=M2V2 equation and solve.

Q: Assuming that A is 0.256, ε (L/mole-cm) is 14 500, b (cm) is 1.00, molecular weight is 300 g/mole…

A: Given data,Absorbance(A)=0.256Molar absorptivity…

Q: Of concentrated H2SO4 must be diluted to 1L (1000mL) to prepare (become) 0.1M. Another solution: no.…

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Q: A student determined the average molarity of their sample of acetic acid to be 0.779 M. Calculate…

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Q: #1: Rubbing alcohol is sold over the counter as a topic (skin) antiseptic. Rubbing alcohol is…

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Q: How many grams vequired to PrePave Lo PPm from Barium in 1L of Solution using Baxium chloride and…

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Q: 1. Solve the % by mass of a solution containing 25.5g of NaCl dissolve in water. Given: solute =…

A: I solved only first question. Remaining repost

Q: II. Freezing point of a pure solid. Data Table. 1. mass of pure naphthaleneo nili13119 9.574g. anoli…

A: Given: Mass of pure napthalene=9.579 g Freezing point of napthalene=78.6°C Mass of unknown=1.554 g…

Q: Assuming that A is 0.458, b (cm) is 1.00, c (Molarity) is 1.2 x 10^-3, molecular weight is 300…

A: Given data,Absorbance(A)=0.458Length(b)=1.00cmMolarity(C)=1.2×10-3MMolecular weight=300g/mol

Q: A metal, M, of atomic mass 56 amu reacts with chlorine to form a salt that can be represented as…

A: Given - Formula of salt = MClx  Atomic mass of M metal = 56 amu  Mass of salt used , MClx = 35.5 g…

Q: Copper metal and aqueous iron (III) chloride were made to react to reduce iron to Fe2+ while…

A: Here we are required to find the mass of copper needed to react with 20.5% wt of iron (III) chloride…

Q: Use the water b.p.–elevation constant Kb(H2O) = 0.512 °C÷(mol solute/kg solvent) to find the boiling…

A: Given: Mass of K2S = 45.2 g Mass of water = 265 g = 0.265 Kg…

Q: how much volume from original bottle of cinnamaldehyde is required to make up 100ppm solution in…

A: Volume of solution to be made = 100 mL Concentration of solution = 100 ppm Volume of…

Q: If the freezing point depression constant of the pure solvent is 8.08 ºC·kg solvent/mol solute,…

A: The depression in freezing point (ΔTf) of the solvent is calculated as follows:

Q: Which of the following procedures is the most suitable for preparing 500. mL of a 0.120 M aqueous…

A: The volume of the solution is = 500 mL The molarity of the solution is = 0.120 M The molar mass of…

Q: If 1.205 g of KHP (204.22 g/mol) required 25.25mL of a sodium hydroxide solution for complete…

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Q: Consider a solution composed of toluene (C7H8) and benzene (C6H6) with volumes 50 mL and 125 mL,…

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Q: A solution is made by mixing 50. g of acetone (CН), СО) and 25. g of methanol (CH,он). Calculate the…

A: Given :-  Amount of acetone = 50. g  Amount of methanol = 25. g  To be calculated :-  Mole fraction…

Q: Prepare 0.1N H2SO4 solution of 250ml volume. (Density of H2SO4 is 1.84 and purity is 98 %)

A: We are givenH2SO4 purity=98% i.e in 100 gm of solution H2SO4 present =98 gm

Q: To prepare 350mL of approx 0.1M NaOH, how many NaOH pellets (weighing 150mg each) will I need to get…

A: In this problem, first we would calculate the mass of NaOH required using the molarity-mole…

Q: A metal, M, of atomic mass 56 amu reacts with chlorine to form a salt that can be represented as…

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Q: Calculate the number of grams of solute that has to be used to make the following solution: 216.5 mL…

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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: How many moles of solute particles are present in 1.64 mL of 0.458 M K2SO4?  (the answer is 2.25E-3…

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Q: plution is prepared by dissolving 5.02 g of KNO3 in 95.0 g of water. Calculate the following:…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: A solution is prepared by dissoving 15.2g of NaC2H3O2 into water. The concentration of the solution…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: Calculate the molalities of some commercial reagents from the following data: (Assume 100 g of…

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Q: A metal, M, of atomic mass 56 amu reacts with chlorine to form a salt that can be represented as…

A: The elevation in boiling point is a colligative property of solutions.It is calculated using the…

Q: Which of the following solvent pairs cannot form a miscible solution? O a. and H₂C-OH O b. O c. O d.…

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Q: A 1.132 g sample of KHP (HKC8H404) required 28.05 mL of NaOH solution to reach endpoint. Calculate…

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Q: Submit a clean, dry, and properly labeled 50-mL reagent bottle for your unknown solution. Pipet…

A: Given data,Mean molarity of EDTA=2.487×10-3MVolume of sample taken=20mL

Q: 1. What happens to the unit particles of solute when it dissolves in a solvent? 2. A true solution…

A: (1) When unit particles of Solute Dissolved in Solvent, then solute particles dissolved in the given…

Q: A student dissolves 14.52 grams of aspirin, C9H8O4 (180.1 g/mol), in 156.5 grams of diethyl ether.…

A: The question is based on the concept of solutions. Molality is a method of expressing concentration…

Q: (Show setup for calculation on this and lines 9–11) 9. Moles of H,O2 10. Grams of H,O, 11. Mass…

A: 9.) To calculate moles of H2O2 , we would first write a balanced chemical for the production of O2…

Q: Determine the weight of SDS powder needed in order to prepare 100ml of 25% SDS solution.

A: The weight by volume of a solution is the ratio between the mass of solute to the 100 mL of…

Q: How many mL of isopropyl alcohol are needed to make 292 mL of a 70 % (v/v) solution? Give answer as…

A: To calculate the volume of isopropyl alcohol is needed to make 292 mL of a 70 % (v/v).

Q: A metal, MM, of atomic mass 56 amu reacts with chlorine to form a salt that can be represented as…

A: Given that : Atomic mass of metal M = 56 amu Mass of sample of the salt = 42.9 g Mass of water =…

Q: A 60.0 L tank of chlorine gas at 27 °C and 125 atm springs a leak in a 50-m3 well-ventilated storage…

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Q: Freezing Point Depression: Molar Mass of a So Report Sheet Unknown solid number 942g 0.1949 2.94°C…

A: A numerical problem based on mole concept that is to be accomplished.

Q: Concentration of solutions that involves liquid solute and solvent uses with an equation: Jm AS…

A: A question based on concentration of solution concept, which is to be accomplished.

Q: DATA Tute used Bocum Nitrate (BalNoz)z Imel BaCNSs)z 261.337glnol 2.0 261.337g/mol 20g 0077moles ams…

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

Q: Molecular weight is an example of an additive property of a compound. O True False When non-volatile…

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Q: Q2: Prepare 250ml of solution contain 5ppm of Ca from CaCO; and 5ppm of Pb from P6C1,?

A: Here is your solution

Q: How many grams of a nonelectrolyte (71.3 g/mol) must be dissolved in 1 kg of solvent to obtain a…

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Q: How do I do the second calculation problem?

A: First, the change in freezing points of pure naphthalene and solution is  80.30C-76.30C = 4 0C .Now,…

Q: How would you prepare 100ml of 0.5m solution using stock solution?   please explain your answer

A: Solution :       The molarity of the solution is defined as the number of moles of solute per liter…

Q: 279.28 mL of 1.22 M organic salt was mixed with 168.14 mL of Ethanol (d= 0.789 g/mL, MW…

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Q: A solution consists of 5.00% cortisone, C21H28O5, and 95.00% acetic acid by mass. Calculate the…

A: Using the depression in freezing point equation, freezing point of solution can be calculated.

Q: Determine the percentages of each element in benzoic acid in terms of: 1. percent by weight

A: C6H5COOH                                        Benzoic acid