What is the molarity of a solution of containing a mass of 250*g250⋅g sodium chloride in a volume of 775*mL775⋅mL water?

1 Answer
anor277
Feb 1, 2017

We use the relationship,

"Molarity"Molarity == "Moles of solute"/"Volume of solution (L)"~=6*mol*L^-1Moles of soluteVolume of solution (L)≅6⋅mol⋅L−1

Explanation:

And thus,

"Molarity"=(250.0*g)/(58.44*g*mol^-1)xx1/(775*mLxx10^-3*L*mL^-1)Molarity=250.0⋅g58.44⋅g⋅mol−1×1775⋅mL×10−3⋅L⋅mL−1

=??mol*L^-1=??mol⋅L−1

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