Question

A solution is prepared by dissolving 2.736 g of MgCl2 in 50.0 g of water. The volume of the solution is found to be 51.7 mL. a. What is the molarity of the solution? b. Calculate the mole fraction of magnesium chloride in the solution. c.Calculate the mass percentage of magnesium chloride in this solution.

Name: a solution is prepared by dissolving 2736 g of mgcl2 in 500 g of water the volume of the solution is found to be 517 ml a what is the molarity of the solution b calculate the mole fraction o 17574
Uploaded: 2023-06-08T07:35:16-08:00
Duration: 2 min 20 s
Channel: Madhur L
Description: a solution is prepared by dissolving 2736 g of mgcl2 in 500 g of water the volume of the solution is found to be 517 ml a what is the molarity of the solution b calculate the mole fraction o 17574

          A solution is prepared by dissolving 2.736 g of MgCl2 in 50.0 g of water. The volume of the solution is found to be 51.7 mL. 
a. What is the molarity of the solution? 
b. Calculate the mole fraction of magnesium chloride in the solution. 
c.Calculate the mass percentage of magnesium chloride in this solution.

Added by Benjamin B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

06/08/2023

Step 1

- Molar mass of MgCl₂ = 24.305 (Mg) + 2 × 35.453 (Cl) = 95.211 g/mol - Moles of MgCl₂ = mass / molar mass = 2.736 g / 95.211 g/mol = 0.02874 mol Show more…

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A solution is prepared by dissolving 2.736 g of MgCl2 in 50.0 g of water. The volume of the solution is found to be 51.7 mL. a. What is the molarity of the solution? b. Calculate the mole fraction of magnesium chloride in the solution. c.Calculate the mass percentage of magnesium chloride in this solution.