Block 2 Flashcards
Define percent weight in volume (% w/v)
(x) grams of substance/in 100 mL of total prepared liquid
Define percent weight in weight (% w/w)
(x) grams of a substance/100 g of a preparation (l or s)
Define percent volume in volume (%v/v)
(x) mL of a substance / 100 mL total prepared liquid
Define mg %
(x) mg of substance/ 100 mL of liquid
Define parts per million (ppm)
(x) parts of an agent per 1 million parts of a whole
Define parts per billion (ppb)
(x) parts of an agent per 1 billion parts of the whole
What is the formula for specific gravity?
sp. g = grams of a substance / mass of equal volume of water
How many cm are in 1 inch?
2.54 cm
how many mL are in 1 pint?
473 mL
How many mL are in 1 quart?
946 mL
How many mL in 1 deciliter (dL)?
100 mL
Please Never Mix My Green Kaleidoscope
Pico, nano, micro, milli, grams, kilo
(1000 fold each time)
What are the two equations for specific volume?
sp. v = 1/sp. g
sp. v = volume of a substance / volume of equal weight of water