How many mL would we require to prepare 100 mL of a 0.01 M KMnO4 solution starting from a more concentrated one (0.05 M)?

Q: What is the molarity of a solution prepared by dissolving 4.19 g of sodiumiodide in water and…

A: The moles of solute per litre of solution is known as molarity or molar concentration, and it may…

Q: How many grams of Cu(C2H3O2)2 (Molar mass ‎199.65 g/mol) are needed to make 25.0 mL of a solution…

A: Definition:Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: 135 mL of water are added to 75.0 mL of 0.0250 M NaOH. What is the molarity of the resulting…

A: The molarity of resulting solution is obtained by using the formula, M1V1=M2V2.

Q: What mass of CH3OH is required to prepare 111.2 mL of solution with a CH3OH concentration of 0.342…

A: Given: Molarity of CH3OH solution = 0.342 M   Volume of CH3OH solution = 111.2 mL = 0.1112 L…

Q: What mass of is needed to prepare 355 mL of 0.445 M Na2SO4 Na2SO4?

A: Given, Molarity of Na2SO4 = 0.445 M = 0.445 mol/L Volume want to prepare = 355 ml = 0.355 L Formula…

Q: How many moles of solute are there in 65.0 ml of 2.20 M sodium hydroxide?

A: ⊙Concentration = No. of molesVolume(L)⊙No. of moles = concentration × volume(L)

Q: To what volume should you dilute 30 mL of a 12 M H2SO4 solution to obtain a 0.16 M H2O4 solution?

A: In case of dilution of any electrolyte, the number of moles or millimoles will remain unchanged.…

Q: to what volume should you dilute 150.0 mL of a 14.5 M stock solution of HNO3 to obtain a 0.200 M…

A: In case of dilution of any electrolyte, the number of moles (or millimoles) of that electrolyte…

Q: What is the final volume (in L) when 35.3 mL of 14.4 M HF is diluted to make a 0.6 M solution?

A: The equation for dilution is stock solution= diluted solution  M1V1=M2V2 Molar concentration of…

Q: What is the volume of a solution that is 0.2 KMr04 that is required to prepare 200 mL of a solution…

A: We have main solution as 0.2 M , we have to prepare 200 mL of 0.02 M solution, we have to calculate…

Q: Calculate the molarity (M) of 42.6 g of 6H12O6 ; m = 180 g/mole) glucose (OC in 350. mL of solution.…

A: Given information, Mass of glucose = 42.6 g Molar mass of glucose = 180 g/mol Volume of solution =…

Q: How many mL of 0.184M NaNO3 solution contain 0.113 moles NaNO3?

A:

Q: How many grams of tris (m.m. 121 g / mol) is required to prepare 100 ml of a 0.1 M solution?

A: To prepare 100 mL of 0.1 M solution, tris required = 1.21 g.

Q: A concentrated KOH (MW = 56.105 g/mol) solution is 45.0 %wt KOH and has a density of 1.45 g/mL. How…

A: In the given question we have to calculate the volume of concentrated KOH required to dilute the…

Q: ow many grams of NaOH would you need to make 1,428 mL of a 1 M NaOH solution

A: Here we have to simply apply molarity equation

Q: What mass of oxalic acid H2C2O4 is required to prepare 350. mL of a solution that has a…

A:

Q: What is the concentration (in molarity, M) of a solution prepared by diluting 25 mLof 1.35 M sodiurn…

A: The given data contains,  Volume V1 = 25 ml. Molarity M1 = 1.35 M. Volume V2 = 86 ml.

Q: A student wants to prepare 560.0 mL of a 0.210 M solution of Li2CO3.  What mass of Li2CO3 must be…

A: Given that; Molarity of Li2CO3 = 0.210 M Volume = 560.0ml = 560.0ml × 1L/1000ml = 0.560 L  Molar…

Q: How many mL of 6.86 M NaOH are needed to prepare 328 mL of 0.172 M NaOH?

A:

Q: how many grams are required to prepare 250.0 ml of 0.125 M CuSO4?

A: Since molarity = moles of solute / volume of solution in L Since in the given case solute is CuSO4…

Q: What is the mass of solute in a 500 ml solution of 0.200 M sodium phosphate (Na3PO4 M.W. 164.0)?

A: The molarity is defined by the ratio of the number of moles to the volume of solution in Liters.

Q: What volume (mL) is required from a stock solution of 1.98m KNO3 to prepare a 750ml solution of 1.00…

A: We can solve the problem from the following formula : V 1 S 1 = V 2 S 2    Where : V1 = initial…

Q: How many grams of KNO3 are there in 198 grams of an aqueous solution that is 11.2 % by weight KNO3?

A: Mass percentage of solute = mass of solute ( KNO3) ×100mass of solution  11.2 = mass of solute(…

Q: How many milliliters of a 6.00M NaOH solution are needed to provide 0.350 mil of NaOH?

A:

Q: What is the volume, in millimeters, of 0.40 M NoSO4 needed to make 10. mL of a 0.24 M NiSO4…

A: Given, M1= 0.40 M M2 =  0.24 M V2= 10 ml  V1 = ?

Q: How many milliliters of a 1.04x 10^-4 M HCI solution can be prepared by dissolving 2.00 mg of 87.0%…

A: Given data,Molarity of HCl=1.04×10-4MMass of BaCl2 solution=2.00mgConcentration of BaCl2=87.0%

Q: What mass of AgNO_3 is needed to prepare 450.0 mL of a 0.125 M solution?

A: Molarity of solution = 0.125 MVolume of solution = 450 mL = 0.45 LMolar mass of AgNO3 =169.87…

Q: How many grams of KBr are required to prepare a 1.50 M solution with a total solution volume of…

A: Given,Molarity of the KBr solution = 1.50M.Total volume of the solution = 650.00mL.

Q: How many grams of NH4Br do you need to make 39.13 mL of a 0.461 M solution? (give your answer to…

A: no of moles = molarity×volume in litre wt(gm) = no of moles × molecular wt

Q: What volume of 2.50 M NaOH would be required to prepare 250.0 mL of 0.150 M NaOH?

A: Here, we have to find the volume of 2.50 M NaOH that would be required to prepare 250.0 mL of 0.150…

Q: you have a solution that is 1.5 M H2SO4. How many millimeters of this do you need to prepare 100.0…

A: Since in 100.0 ml of 0.18 M H2SO4 , moles of H2SO4   = molarity X volume in L Volume in L = 100/1000…

Q: How many grams of solute are needed to make 5.00 × 102 mL of 0.445 M CH3OH?

A: Given,Molarity = 0.445 MVolume = 5.00 x 102 mL

Q: How many grams of AgNO 3 (molar mass = 169.87 g/mol) are needed to prepare 0.125M solution in 250 mL…

A: Given - Molarity = 0.125 M Molar mass = 169.87 gm.mole-1 Volume = 250 ml = 0.250 L (1L = 1000ml)

Q: What mass of oxalic acid, H2C2O4  is required to prepare 350. mL of a solution that has a…

A:

Q: How many moles of H₂SO4 are present in 250 mL of a 3.00 M H₂SO4 solution?

A:

Q: Calculate the molarity of the solution prepared from 0.45 g Li2SO4 in 250. mL of solution?

A: Given Mass of Li2SO4 = 0.45 g Molar mass of Li2SO4 = 109.94 g/mol Volume of solution = 250 ml = 250…

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: 7. The mass of KI (in grams) needed to prepare 750 ml of 2.8 M solution is:

A:

Q: What volume of 0.220 M HBr solution (in mL) is required to obtain 0.060 moles of HBr?

A: If V mL of a C (M) solution contains N mol of solute, then we can write: N=C×V1000…

Q: How many milliliters of 0.850M NaCl can be prepared by dilution of 100. mL of 3.50 M NaCl?

A: Before the dilution and after the dilution number of moles of solute must be same.

Q: If a 8. 2 M of solution of KNO3 reaches a volume of 450 ml. what is the moles of solute needed?

A:

Q: How many grams of solute are present in 19.0 mL of 0.746 M K2Cr2O7?

A: Mass of a solute can be obtained by equation given below:

Q: What mass of oxalic acid, H2 C2O4, is required to prepare 500. mL of a solution that has a…

A: The given data contains, Volume = 500 ml . = 0.5 L. Concentration = 0.15 M.

Q: What mass (in grams) of solid NaOH (molar mass = 40.0) is needed to prepare 600. mL of a 0.10 M…

A:

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

A: a. The molarity is given by: Molarity = Mass of soluteMolar mass of solute×1000Volume of solution…

Q: What is the molarity of the solution prepared by diluting 65 mL of 0.95 M NaSO4 solution to a final…

A: