stoichiometry Flashcards
1
Q
origin of word stoichiometry
A
Greek ;stocheion=element,metron=measurment
2
Q
1 gross =
A
144 sachets
3
Q
1 ream=
A
500 sheets
4
Q
mole origin
A
latin’;heap or pile
5
Q
molar mass unit
A
grams/mole g/mol
6
Q
mass of 1 mole is expressed in
A
grams
7
Q
atomic mass of one atom of an element is expressed in
A
a.m.u
8
Q
molecular mass of compounds is expressed in
A
a.m.u / dalton
9
Q
Which one of them is used as an automobile antifreeze
A
