The molarity of a solute in solution is defined to be the number of moles of solute per liter of solution (1 mole = 6.02 × 1023 molecules). If X is the molarity of a solution of magnesium chloride (MgCl2), and Y is the molarity of a solution of ferric chloride (FeCl3), the molarity of chloride ion (Cl−) in a solution made of equal parts of the solutions of MgCl2 and FeCl3 is given by M = X + 1.5Y. Assume that X has mean 0.125 and standard deviation 0.05, and that Y has mean 0.350 and standard deviation 0.10 .Assuming X and Y to be independent, find σM.

The standard deviation of X and Y are 0.05 and 0.10, respectively.

Answered: The molarity of a solute in solution is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The molarity of a solute in solution is defined to be the number of moles of solute per liter of solution (1 mole = 6.02 × 10²³ molecules). If X is the molarity of a solution of magnesium chloride (MgCl₂), and Y is the molarity of a solution of ferric chloride (FeCl₃), the molarity of chloride ion (Cl⁻) in a solution made of equal parts of the solutions of MgCl₂ and FeCl₃ is given by M = X + 1.5Y. Assume that X has mean 0.125 and standard deviation 0.05, and that Y has mean 0.350 and standard deviation 0.10 .Assuming X and Y to be independent, find σ_M.

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