1. Preparing of oxalate solution: Mass of full cap = 20,7175, empty = 20,5490 g. Volumens of the Solution is 50 mL

Q: How many liters of a 3.66  M M K2SO4K2SO4 solution are needed to provide 76.2  g g of K2SO4K2SO4…

A: Let the volume of solution of 3.66 M be V    We know that Molarity of a solution is the number of…

Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2750 moles of NaCl?

A:

Q: What is the mass required to make the following solution ? 250mL of a 0.0025 M sodium thiosulfate…

A: given molarity of sodium thiosulfate = 0.0025 M volume of solution = 250 ml

Q: 12.What is the molarity of the resulting solution ? Of 60 ml of a 1.6 M nickel phosphate solution,…

A: Given: Molarity of nickel phosphate (M1) = 1.6 M Volume of nickel phosphate (V1) = 60 mL Final…

Q: Moles of oxalic acid in 20.00 mL of the above prepared solution? Mass of H2C2O4·2H2O=1.32191 g…

A:

Q: An NaCl solution is made using 133 g of NaCl and dilutingto a total solution volume of 1.00 L.…

A: Molar mass of Nacl= 58.5 g/mol  Moles of Nacl=133/58.5= 2.27

Q: How much of each salt (KI and Pb(NO3)2) is weighed to prepare 0.1 M aqueous KI and 0.1 M aqueous…

A:

Q: Suppose that 10.00 mL of 0.0100 M IO3-  solution requires 9.43 mL of the thiosulfate solution to be…

A: Given data,

Q: To what volume should you dilute 135 mL of an 7.90 M CUC12 solution so that 49.0 mL of the diluted…

A: From molarity of initial solution calculate mole of copper Sulphate And then amount of copper…

Q: What is the final volume in milliliters when 0.590 LL of a 43.7 %% (m/v) solution is diluted to 25.0…

A:

Q: Suppose that an initial volume (VI) of 14.420 mL of Nacl solution with a concentration M1=7.714…

A:

Q: How many mliliter of 18.0 M H,SO, must be added to give a solution of 5.00 M H,SO, and final volume…

A: M1V1 = M2V2

Q: 1. Solutions of known % (v/v) is prepared by the use of ... a. balance b. volumetric flask c.…

A: (1) The %(v/v) can be defined as the solute in litres is present in liquid solvent. The %(v/v)…

Q: A bleaching solution requires 2.08 g of sodium hypochlorite. How many grams of a 21.5% by mass…

A: Given, mass of solution =2.08 gmass percent of solution =21.5 %we are asked to calculate the mass of…

Q: Q3. What volume of 8 M sulfuric acid must be used to prepare 1.5 Lof a 0.10 M H,So, solution? A.…

A:

Q: In order to prepare 10% 100 mL of HCl solution from 37% HCl solution, how many mL of concentrated…

A: For Concentrated HCl solution : Concentration, C1 = 37 % Volume, V1 =? For New HCl solution :…

Q: How much solvent is needed when the initial volume of the H2SO4 solution has a 6.81 M-stock solution…

A:

Q: What volume of a 4.00 × 10–4 M FeSCN2+ solution would be needed to prepare 40.0 mL of a 7.20 × 10–5…

A: Given Molarity (M1) = 4.00 × 10-4 M Volume ( V1 ) = ?  Molarity (M2) = 7.20× 10-5 M Volume ( V2) =…

Q: 31. Common commercial acids and bases are aqueous solutions with the following properties: Mass…

A: We know the following Formulae,  Density = mass/ volume Mole = mass / molar mass Molarity = moles of…

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 170.0 mL of 0.060 M…

A: The values are given as follows:

Q: 1. How do you prepare a 250-mL of 0.125 M NaOH solution? a. From solid NaOH pellets (by dissolving)…

A:

Q: A bleaching solution requires 2.16 g of sodium hypochlorite. How many grams of a 21.5% by mass…

A: Given Mass of sodium hypochlorite (solute)        = 2.16 g percentage by mass of solution = 21.5%

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: We have to predict the final concentration.

Q: Calculate the molarity of a throat spray that is 1.50% by mass phenol (C6H5OH) in water. The density…

A: We have to Calculate the molarity of a throat spray  Given, it  Is 1.50% by mass phenol (C6H5OH) in…

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 125.0 mL of 0.030 M…

A: Given,Molarity of the solution = 0.030M.Volume of the solution = 125.0mL = 0.125L.

Q: What mass of water (grams) must be added to 72.5 g KNO3 to generate 2.00 L of aqueous solution with…

A:

Q: How many mL would we require to prepare 100 mL of a 0.01 M KMnO4 solution starting from a more…

A: molarity is defined as no.of moles of solute devided by volume of solution in liter.

Q: Calculate the molarity of sodium ion in a solution made by mixing 4.63 mL of 0.398 M sodium chloride…

A: The given volume of NaCl solution = 4.63 ml = 0.00463 L The given molarity of NaCl solution = 0.398…

Q: Convert the average molarity of hydrogen peroxide into % (wt) of hydrogen peroxide (the density of…

A: Given that, the average molarity of hydrogen peroxide (H2O2) = 0.877 (M) the density of hydrogen…

Q: Calculate the molarity of a solution prepared by diluting 343. mL of 0.337 M K2Cr207 with 660. mL of…

A: Given the volume of K2Cr2O7 solution =343 mLmolarity of K2Cr2O7 solution =0.337 Mthe solution was…

Q: when calculating dilution (M1V1=M2=V2), are the volumes for the overall solutions or just the stock…

A: The question is based on the concept of solution preparation. molarity is a way of expressing…

Q: How many mL of 1.86 M HNO3 will I need to make 322.8 mL of 0.363 M solution?

A:

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: Suppose that an initial volume (V1) of 2.216 mL of NaCl solution was diluted to V2=8.011 mL to…

A:

Q: How many grams of CUSO4.5H2O (249.68 g/mol) should be dissolved in a volume of 500.0 mL to make 8.00…

A: Given,  Millimolarity of Cu2+ = 8.00 mM  Volume = 500.0 mL  Molar mass of CuSO4.5H2O = 249.68 g/mol…

Q: A slution contains 15 g of sucrose (mw=342.3 amu) dissolved in 200 g water. The density of the…

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

Q: A chemist must dilute 73.3 mL of 108. pM aqueous silver(II) oxide (AgO) solution until the…

A:

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: A solution is prepared by dissolving 133 g of NaCl in 947 g water to make a total solution volume of…

A: a) Molarity = moles of NaCl / volume of solution (in L)                    = mass of NaCl/Molar mass…

Q: calculate the final concentration when a 28.0 mL sample of 25% (m/v) sodium chloride solution is…

A: Given: Initial concentration, C1=25% (m/v) Initial volume, V1=28.0 mL Final concentration, C2=? The…

Q: What is the number of grams of solute that has to be used to make the following solution: 169.6 mL…

A: The concentration expresses dissolved moles/mass of particular substance (solute) in solution.  The…

Q: What volume of 0.2456 M lead(II) nitrate solution would be required to reach the endpoint when…

A:

Q: Calculate the mass (in grams) of magnesium chloride

A: Percent by mass = (mass of MgCl2/mass of solution) × 100%  % w/w = (mass of MgCl2/mass of…

Q: What volume of 40% w/w HCI (36.5) density 1.198 m/ml must be diluted with water to obtan excatly 250…

A: To get 250 mL of 1.0 F concentration of HCl we need to calculate stock formula concentration of HCl.

Q: What volume of 7.28M phosphoric acid solution should be used to make 0.716L of 3.15M phosphoric acid…

A: Given Molarity (M1)  = 7.28 M Molarity (M2) = 3.15 M Volume (V2) = 0.716 L

Q: What volume in mL of 0.300 M NaF would be required to make a 0.0480 M solution of NaF when diluted…

A: Given: Initial concentration of NaF = 0.300 M Final concentration of NaF  = 0.0480 M Final volume of…

Q: What volume of 1.00M CuSO4 solution is needed to produce 250mL of a 0.100M CuSO4 solution?

A:

Q: A 113 – mL sample of a 1.4 M sucrose solution is diluted to 600 mL . -

A: The given information is as follows: The initial volume of the sucrose solution V1= 113 mL The…

Q: How many milliliters of a stock solution of 4.00 M KI would you need to prepare 368 mL of 0.895 M…

A: The stock solution of any substance is the concentrated solution of that substance from which some…

Q: What volume of 6.00 M HNO3 soulution is needed to prepare 1500 mL of 0.180 M HNO3 solution?

A: According to volumetric principle