How many grams of sodium hydroxide (M.W=40g/mol) are needed to prepare 4.62 liters of a 7 M solution?

Q: How many liters of a 3.55 MM KClKCl solution are needed to provide 45.8 gg of KClKCl?

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: Calculate the volume of 4.00 M K2SO4 that is needed to prepare 600 ml of a 0.2M solution of K2SO4

A: Given :-  initial concentration of K2SO4 solution = 4.00 M final concentration of K2SO4 solution =…

Q: What is the molarity of a solution containing 8.6 g of NaBr in 0.85 moles of water? (density of…

A: Given, Mass of NaBr = 8.6 g Moles of water (H2O) = 0.85 moles Density of solution = 1.10 g/mL…

Q: How many grams of sodium sulfate, Na2SO4, are required to prepare 200. mL of a 0.150 M sodium…

A: Given: Molarity of Na2SO4 solution = 0.150 M Volume of solution = 200 mL

Q: A solution contains 117 g of potassium hydroxide, KOH, dissolved in sufficient H2O to give a total…

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

Q: How do you prepare a 750 mL of 0.25M sulfuric acid solution?  The available stock is 50.0 mL of 18…

A: Molarity can be expressed as moles per litre. Hence moles will be equal to molarity multiplied by…

Q: How many grams of KMnO4 are required to prepare 1.0 L of a solution of 1.5 M KMNO4? (molecular…

A: The given data contains, volume of KMnO4 =1.0 LMolarity=1.5 M. Molecular weight = 158.034 g/mol.

Q: What is the molarity of a 7.4 % by mass Mg(NO3)2 solution? Assume the density of the solution is 1.0…

A:

Q: How many grams of Pb(NO3)2 (331.2 g/mol )are needed to prepare 100 ppm (w/v) of Pb*2 (207.2 g/mol)…

A: Given: The volume of the solution to be prepared = 100 ppm (w/v) The volume of the solution = 1 L We…

Q: Molarity! A solution is prepared by dissolving 20.0 g of Chloroform (CHCl3) in 60.0 gram of benzene…

A:

Q: An aqueous solution of HNO3 was prepared having a molality concentration of 6.29. (Atomic…

A: according to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: How many grams of H2S(aq) are needed to make 5.00 L of a 0.125 M H,S(a9) solution? O 13.63g O 21.3 g…

A: Molarity of a solution os defined as moles of solute present per unit liter of solution. Molarity =…

Q: 10.0 mL of a 0.150 M solution of phosphoric acid, H3PO4, are diluted to a total volume of 1.00 L.…

A:

Q: How many grams of solute are required to prepare 250 mL of 5% (m/m) Mg(NO3)2 solution?

A: Given mass percent of solute, Mg(NO3)2 = 5%  Volume of the solution = 250 mL  Mass of solute = ?