What is the concentration of a $20.0573g$ mass of potassium hydroxide dissolved in an aqueous solution of $399mL$ volume?

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Answer 1 · 2018-01-11T21:12:44

$[KOH]~=0.9*mol*L^-1$

By definition....

$"Molarity"="Moles of solute (mol)"/"Volume of solution (L)"$

And so here we just fill in the details....

$((20.0537*g)/(56.1080*g*mol^-1))/(399*mLxx10^-3*L*mL^-1)=??*mol*L^-1$

What is the concentration of a 20.0573*g20.0573*g mass of potassium hydroxide dissolved in an aqueous solution of 399*mL399*mL volume?