Lab Flashcards
When going from a smaller number to a larger number, what way do you move the decimal?
Left, value is going to be smaller
When going to from a larger unit to a smaller unit what why do you move the decimal?
right, value is going to get bigegr
Kilo
1000, 10^3 K
hecto
h 100 10^2
Deka
da 10^1
deci
d 1/10 10^-1
centi
c 1/100 10^-2
milli
m 1/1000 10^-3
micro
(the u thingy) 1/1000000 10^-6
macro
n 1/1000000000 10^-9
convert 1 kh to 1 dg
1 kg to dg k= 1000 10^3 dg= 1/10 10^-1 3--1= 4 10000 dg 0=or 1x10^4 dg
Proportions, why important?
Because most medications are prescribed based on a persons’ weight
What is a solutiomn
a solute (particles) dissolved in solvent (water)
suspenison
In a suspension the particles are insoluble
homogeneous solution
solutes are evenly dispersed throughout solvent