Solutions and Concentration Flashcards
1
Q
what it a solution?
A
they consist of a solvent and one or more solutes.
2
Q
weight percent
A
= weight of solute
(over) x 100
total weight of solution
3
Q
what s weight percent used for ?
A
to express the concentration of a solid substance dissolved in a liquid.
4
Q
volume percent
A
= volume of solute
(over) x100
total volume of solution
5
Q
what is volume percent used for?
A
often used to express the concentration of a liquid solute in a liquid solvent.
6
Q
Parts Per Million
A
means the number of milligrams of substance dissolved in 1 litre of water.