concentration demo Flashcards
1
Q
concentration in grams per litre(gL-)
A
mass of solute in grams/volume of solution in litres
2
Q
concentration in milligrams per litre(mgL-)
A
mass of solute in milligrams/volume of solution in litres
3
Q
ml to l conversion
A
/1000
4
Q
when the notation(eg. 10^-5) is positive you…when negative you…
A
+move the decimal point right
-move the decimal point left
5
Q
Parts per million formula
A
ppm=mass of solute in micrograms/mass of solution in grams
6
Q
%m/m formula
A
mass of solute in grams/mass of solution in grams X100
7
Q
%m/v formula
A
mass of solute in grams/volume of solution in L X100
8
Q
%v/v formula
A
volume of solute in mL/volume of solution in mL X100
9
Q
n formula
A
m(mass g)/M(gmol-1)
