What is the molar concentration of a solution prepared by dissolving a #28.0g# mass of potassium hydroxide in enough water to give a #200mL# volume?

Question

211 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-02-18T08:34:00

#[KOH(aq)]=2.50*mol*L^-1#

#"Molarity"="Moles of solute"/"Volume of solution"#..

And so here we gots....

#((28.0*g)/(56.11*g*mol^-1))/(200*mLxx10^-3*L*mL^-1)=2.50*mol*L^-1#...

What is the molar concentration of a solution prepared by dissolving a #28.0*g# mass of potassium hydroxide in enough water to give a #200*mL# volume?