Concentrations, Solutions, Dilutions Flashcards
1
Q
What is the equation to calculate mass using mols and molecular mass
A
g = mol x g/mol
2
Q
What is the equation to calculate moles of a substance using concentration and volume
A
mol = M x l/dm^3
3
Q
What does w/v%, w/w%, v/v% mean?
A
Number of grams in a total of 100ml solvent
so 5% solution contain 5g per 100ml
4
Q
Outline what infusion rate is in clinical practice
A
Rate of administering intravenous fluids
Can be determined from volume of fluid needed
Time o administration
number by the drops per mm delivered by the giving set
5
Q
What is part per million equivalent to?
A
1 mg in 1L
