A 10.00 mL aliquot of 0.0120 M solution is diluted to 250.00 mL in a volumetric flask. What is the www concentration of the diluted solution?

Q: I wish to prepare 500.0 mL of a 825.0 ppm w/v Fe2+ (MW=55.845 g/mol) solution. How many grams of…

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

Q: another concentration unit is % (m/v) 410.0 g of glucose dissolved in enough water to give 325 mL,…

A: Given, amount of glucose i.e. solute =410.0 gramvolume of solution =325 mLwe are asked to calculate…

Q: Calculate the new molarity if 100.0 mL of water is added to 25.6 mL of 1.08 M sulfuric acid, H2SO4…

A: Given :-  Initial molarity = 1.08 M  Initial volume = 25.6 mL  Volume of water added = 100.0 mL  To…

Q: What is the volume in mL of a solution prepared by diluting 81.85mL of 1.704 Maqueous K,Cr,O, to…

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

Q: 1. A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (MM=329.2 g/mol) in sufficient water…

A:

Q: Calculate the mass/volume percentage of a 0.763 m solution of copper(II) acetate, (Cu(C2H3O2)2; FM =…

A: Given,  Molality of copper(II) acetate = 0.763 m  Formula mass of copper(II) acetate = 181.65 g/mole…

Q: An aliquot of 1.00 mL of aqueous acetic acid is transferred to a 500.00 ml volumetric flask and…

A: Given  Initial volume of acetic acid(V1) = 1 ml Volume after dilution (V2) = 500 ml Final molarity…

Q: Concentrated sulfuric acid has a density of 1.84 g/cm3 and is 95.0% by mass H2SO4.  (Hint:   assume…

A: Assuming 1.00 L i.e 1000 mL of solution. Given : Percent by mass of H2SO4 = 95.0 % And density of…

Q: The solubility of lead (II) chloride is 0.45 g/100 mL of solution. What is the Ksp of PbCl2? Express…

A: Molarity is defined as number of moles divided by volume of solution in litres

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of…

A:

Q: 130 120 110 100 NANO, 90 80 70 60 SO NH&C 40 KCI Naci 30 20 KCIOS 10 Cez(SOa)3 10 20 30 40 50 60 70…

A: 60g of KCl at 50°C is

Q: What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of…

A: Here given--- Initial volume (V1) =? Initial strength (S1) = 1.98 M Final volume (V2) = 750 mL Final…

Q: 25.0 g of sodium hydroxide is dissolved in 150.0 g of water. What is the % (mass/mass) concentration…

A: Given :-  Mass of sodium hydroxide = 25.0 g  Mass of water = 150.0 g  To calculate :-  %(mass/mass)…

Q: What is the molarity of the solution prepared by diluting 35.0 mL of 1.25 M AgNO3 to each of the…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: A sample of sodium carbonate; Na,CO3 (MW=105.9 g/mole) weighing O.3125 g was dissolved in 40.0ml…

A: Given, The molar mass of Na2CO3 = 105.9 g/mol Mass of Na2CO3 = 0.3125 g Volume of Na2CO3 solution =…

Q: . Calculate the mass required to prepare a 250 mL 3 M NaCl in water. Mass = M x MM x V  1000

A: Dear student, Since you have asked multiple questions, we will solve the first question for you. If…

Q: What is the molarity of a solution prepared by diluting 8.45 mL of 28.0 % w/w NH3 (density is 0.899…

A:

Q: Q2 :- prepare a standard solution of a potassium Chloride (KCI), 0.3 N in 500 ml of water. (atomic…

A:

Q: III.Concentrations. 2) Calculate the volume of a 0.47 M solution of Ca(NO3)2 needed to prepare…

A: Given M1 = 0.47M V1 = ? M2 = 0.32 M V2 = 75 ml

Q: What is the molarity of the solution prepared by diluting 35.0 mL of 1.25 M AgNO3 to each of the…

A:

Q: Find the normality of 0.0294 g K2Cr2O7 (MM = 294.19) dissolved in 125 mL solution.

A:

Q: What is the maximum volume of 0.25 M sodium hypochlorite solution (NAOCI; laundry bleach; MW= 74.44…

A:

Q: How many grams are needed to prepare 250.0 ml of 0.2500 M of Potasium Hydrogen phthalate KHP…

A: Given data is as follows: The molarity potassium hydrogen phthalate (KHP) solution = 0.2500 M =…

Q: Prepare 20 mL of~1 M CaCl2. Because the CaClz solution will be used as an excess reagent to prepare…

A: Density= Mass / Volume So, Mass = Density * Volume Mass of water = 1 g/mL * 20 mL = 20 g Mass of…

Q: 1. (i) What is a molar solution? (ii) Calculate the mass of Na S0,5l20 needed to prepare 250 cm' of…

A: Molar solution or molarity has a unit of mol/L or M

Q: Is Mn(OH)2 soluable in water?

A: Most of the hydroxide salts of metals are insoluble in water.

Q: Calculate the molar concentration of H2S04 (98.0 g/mol) in a solution that has a specific gravity of…

A: 95 % (w/w) concentration of sulfuric acid states that the 100 g of solution contains 95 g of…

Q: Calculate the mass, in grams, of CuCl, (MW = 134.452 g/mol) required to prepare 100.0 mL of a 2.02…

A: CuCl2 is an ionic compound which will dissociate into ions as per the reaction CuCl2 (aq)…

Q: How many grams of solid K3Fe(CN)6 (Mw = 329.2 g/mol) will be needed to prepare 532 mL of 0.0692 M…

A: Grams of CN- = molarity × volume × molar mass of CN- Grams of CN- = 0.0692 M × 0.532 L × 26 gmol-…

Q: Calculate the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d= 1.75 g/mL and 89 %…

A: Interpretation -  To determine the molarity of a solution prepared by diluting 100 cm3 of H3PO4 (d=…

Q: where 0.150 mol of the solute is dissolved into enough solvent to give a total volume of 350 mL. 2.3…

A: The mole concept was proposed to relate the composition of substances, atoms, and molecules.…

Q: What is the molarity of a solution made by adding 2.213 grams of KHP (MM=204.2 g/mol) to 50 mLs of…

A: Molarity=no of moles of solute x 1000volume of solution in mlno of moles of solute=given massmolar…

Q: Determine the volume of 0.20 M iron (III) nitrate needed to prepare 50.00 mL of a 0.0100 M solution…

A: We have 0.20 M of Ferric nitrate, which we want to dilute to 0.01 M of 50 mL. We have to calculate…

Q: The weight of NaCl in a 0.5 M solution of Volume 1800 ml is 0.9 g 900 g 90 g 40 g

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

Q: another concentration unit is % (m/v) 10.0 g of glucose dissolved in enough water to give 325 mL,…

A: Given, amount of glucose =10.0 gramvolume of solution =325 mLwe are asked to calculate the…

Q: What volume of 0.200 M Na2CO3 (MW = 106) solution contains 53.0 g of Na2CO3?

A: Given solution of Na2CO3 has concentration of 0.200 M and the solution contains 53.0 g of Na2CO3.…

Q: What is the concentration of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M…

A: We have to calculate the concentration of sodium ions  .

Q: Chem 1121

A: Molarity is given by,Molarity = mole/literThe concentration of diluted solution is calculated by…

Q: how many grams of solid, anhydrous iron (II) chloride do they need to use? 27.9 g If a student wants…

A:

Q: What willl be the Molar concertration of the 288.9  HCl solution prepared from 3 mL of concentrated…

A: 1- First calculate the moles of HCl :  Mass of HCl = [ Density × Volume ]  Mass of HCl = [ 1.18g/mL…

Q: What is the % (w/v) concentration of a solution containing 25.0 g of solute in 400 mL of solution?…

A: The weight by volume % is calculated using the formula as shown below:

Q: The antibiotic gramicidin A can transport Na+ ions into a certain cell at the rate of 5.0 × 107 Na+…

A: The transport rate of Na+ ions = 5.0 × 107 Na+ ions/channel · s  The concentration of Na+ ions, M =…

Q: A chemist was asked to determine the molecular weight of Compound J.  They created a solution with…

A: Given: Initial %(w/w) of solute = 20.0 % Density of initial solution = 1.4 g/mL. Volume of solution…

Q: a) 750 mL of 0.172 F K,Cr,O, from the solid salt. b) 50 litres of a solution that is 0.1 F in Na,SO,…

A: Solution :       Formal concentration shows the total concentration of substance irrespective of its…

Q: A 0.128 g sample of KHP (HKC8H4O4) required 28.54 mL of NaOH solution to reach a phenolphthalein…

A: Mass of HKC8H4O4 = 0.128 g Molar mass of HKC8H4O4 = 204.44 g/mol So, Number of moles  = 0.128 g /…

Q: A 32.5 mL sample of an 5.6 % (m/v) KBr solution is diluted with water so that the final volume is…

A:

Q: Identify and explain the mistakes made in the following laboratory protocols:  A 10.00 mM solution…

A:

Q: 100 90 NANO, 80 70 CaCl, Pb(NO)2 60 50 40 NaCI 30 KCI 20 KCIO, 10 Ce,(SO,) O 10 20 30 40 50 60 70 80…

A: The solubility graph is given below :

Q: 3- Describe the preparation of 400 mL of 6 F H;PO, from the commercial solution which is 85% (w/w)…

A: Specific gravity It is the ratio of density of a substance to the density of reference substance…

Q: How many milliliters of 0.1000 M Ca(OH)2 solution are needed to supply 0.05000 mol of Ca(OH)2 .A O…

A: