Preparation of 50.0 mL 3.0 M hydrochloric acid solution by dilution 1. Calculate the volume of concentrated HCl needed to prepare a solution of 3.0 M HCl.

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Q: Calculate the molarity of 63.0 g of HCl in 3.00 LL of an HCl solution.

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A: 1.25 M means there will be 1.25 moles in 1 liter of water. The molar mass of NaOH = 40gmol-1

Q: What is the least amount of solution that can be made to totally dissolve 0.500 g of barium…

A: Given :  Mass of barium hydroxide = 0.500 gm  Molar mass of Barium hydroxide = 171.34 gm/mole