INazCO3 HC 33% 1.2 cq. CuHa Cl 210g. 0-Seq. 200g

Q: calculate the mass of copper(II) acetate monohydrate needed to prepare 100.0 mL of 0.1250 soluation…

A: As we know  Molarity = mass/ molar mass * Volume(Lt)

Q: Part A a 1.50 M HCl solution prepared from 200.0 mL of a 7.0 M HCl solution Express your answer…

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Q: Which solute is least soluble at 20 deg C?

A: In this question, we have the solubility curve of various chemical compound.  The solubility curve…

Q: What willl be the Molar concertration of the 333.85  HCl solution prepared from 4 mL of concentrated…

A: Volume of HCl solution = 333.85 ml  Can consider unit in ml to solve this problem. Volume of…

Q: A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water.…

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Q: Calculate the % (m/V) of 156 mL solution containing 18.2 g sodium chloride.

A: Given mass of solute = 18.2 g volume of solution = 156 ml

Q: How    many    moles    of    NaCl    are    present    in    350    mL    of    a    2    M…

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Q: 10. What is the initial volume, in mL, needed to prepare each of the following solutions? a. 250 ml…

A: For dilution of solution,  apply   C1V1 = C2V2

Q: 210 mL of 2.1% (m/v) HCl from 13 % (m/v) HCl

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of…

Q: Suppose that 50.0mL of 0.240M sulfuric acid requires 36.0mL of KOH solution to reach its endpoint.…

A: For finding the molarity of KOH solution we use following equation:          M1V1    =   M2V2

Q: Calculate the DGmix, DSmix, DHmix, and DVmix for a solution prepared by mixing 2 moles of benzene…

A: Given the moles of benzene, nb = 2 mol Moles of toluene, nt = 3 mol Total moles = (3+2) mol = 5 mol…

Q: Pleaser answer quickly, no explanation needed, only the answer. Thank you.

A: To benzoic acid addition of sodium benzoate the dissociation of benzoic acid will decrease, but with…

Q: An aqueous solution of acetone is made by transfering 3.18 mL of liquid acetone to a 100. mL…

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Q: How many grans of zinc sulfate are made when 25mL of 1.5M sulfuric acid is added to excess zinc

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Q: How would you prepare 0.20 M CuSO4 100ml stock solution, if you have CuSO4 (cupric sulfate) as…

A: Problems on Molarity:

Q: prepare 50.0mL of 2.39% w/v acetic acid? 29 g/moles

A: The volume of the solution is = 50.0 mL The concentration of the solution is = 2.39 % w/v The solute…

Q: how they are equivalent

A: To show whether they are equivalent or not, we must first convert both to the same unit.

Q: How many mL of sodium hydroxide (NaOH) are there in 435 mL of a 6.40% (v/v) solution of NaOH?

A: Since % (v/v) is defined as the % of volume of solute per 100 ml of solution  i.e % (v/v) = volume…

Q: Calculate the freezing point of a solution of 40.0 g methyl salicylate, C7H602, dissolved in 800. g…

A: Given a solution of C7H6O2 in benzene.We have to calculate the freezing point of the solution.We…

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: Assuming no systematic errors, within what range are you 90% certain that the true mean value of the…

A: The given molarities of NaOH solution are, 0.4028, 0.4029 , 0.4023 , 0.4031 , 0.4026 , 0.4027 ,…

Q: Potassium permanganate, KMNO4, is both effective at treating water and has medicinal uses. A certain…

A: We have to calculate the molar concentration of given solution.

Q: Question 5 List the solutions below in order of increasing boiling point (lowest to highest). For…

A: Given,The solutions are:W    0.050 m of CH3OHX     0.200 m of CH3OHY     0..100 m of CH3OHZ    0.150…

Q: What is the M of Nicotine 5.04g of this compound changes the freezing point of 90g of water

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Q: Required is 350 mL of 3/5 (v/v) alcohol in water solution. Perform the calculations needed to…

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Q: How many grams of CaCl2-2H2O are required to make 125 mL of 0.129 M CaCl2?

A: Answer:Number of moles of a specie in a solution is always equal to the product of its molar…

Q: Calculate the pH of a solution of 0.47 M C₂H5NH₂ solution. The K₁ for C₂H5NH₂ is 5.6 x 10-4. Hints:…

A: Dear student since you have posted multiple questions , As per BARTLEBY QnA guidelines we are…

Q: Calculate and describe how to make 20mL of 0.60 M HCl starting with 6.0 M HCl and water. (Example…

A: From given, it is calculated as formula given below

Q: if ethanol (a liquid hydrocarbon) and chloroform (trichloro methane) are each shaken with caustic…

A: Introduction Caustic soda is a common name for sodium hydroxide (NaOH), which is a highly caustic…

Q: prepare 150 mL of a 3% salt solution from a 3% salt solution.

A: Answer:- The concentration of stock solution is same as the given solution. So, 3% solution of 150…

Q: How many moles comes out after dissovling 0.63 sodium nitrite in 5 mL of water? Molar weight of…

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Q: 1) What is the molarity of a 1.44 (m/v)% solution of HCOOH (formic acid)?

A: The m/v concentration of the HCOOH solution is = 1.44 % The molarity of the solution is =? We know…

Q: How many moles of ammonium nitrate are in 545 mL of an aqueous solution of 0.255 M NH4NO3?

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Q: 1. If 30.0 mL of 1.0 M CH3COOH and 5.0 mL of 1.0 M NaOH are mixed in a beaker, what is the change in…

A: Volume of CH3COOH = 30.0 mL Concentration of CH3COOH = 1.0 M Volume of NaOH = 5.0 mL Concentration…

Q: What volume of carbon dioxide gas at 0.980 atm and 293 K could be made from reacting 10.0 grams of…

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

Q: 2) Find the normal concentration of a 150 g solution of phosphoric acid (H,PO4) with a density of…

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Q: 1. The density of toluene, C₂H², is 0.867 g/mL, and the density of thiophene, C₂H₂S is 1.065 g/mL. A…

A: Different concentrations terms can be calculated by knowing the amount of solute and solvent.

Q: Provide instructions to prepare 50 mL of a K2SO4 saturated solution at 25 ◦C

A: A saturated solution is the one in which the maximum amount of solute that is soluble in the solvent…

Q: calculate the (v/v) % concentration if 200. ml of solution contains 15.0 ml of any soluble liquid…

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Q: How do you know that 0.8% means 0.8 in 100mL?

A: Given,  How do you know that 0.8% means 0.8 g in 100mL? Use the formula as : Mass/volume percent =…

Q: What is the concentration of a solution, when 1.4 moles of MgOH are dissolved in 1200mL of H2O?

A: Given: The moles of magnesium hydroxide=1.4 mol Volume of solution =1200 mL Volume of solution=1200/…

Q: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That…

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Q: For a sample of water with the ionic composition shown below, the Carbonate and Non-carbonate…

A: Introduction The presence of soluble bicarbonates, chlorides, and sulfates of calcium and magnesium…

Q: Calculate the mass volume percent, % (m/v), of a 0.800 M solution of NaOH.

A: Percent concentrations are used to represent solute's amount in any given solution. When it is…

Q: 9. Calculate the volume in L, of water that must be added to dilute 40.0 mL of 12.0 M HCI solution…

A: