,Review
True or False
1. Different materials have the
same masses.
FALSE
2. One mole of different
substances always
contains 6.02x10²³ particles
TRUE
,3.Molar mass is the
mass of one mole of a
substance expressed in
grams.
TRUE
, PERCENTAGE
COMPOSITION
OF A
COMPOUND
True or False
1. Different materials have the
same masses.
FALSE
2. One mole of different
substances always
contains 6.02x10²³ particles
TRUE
,3.Molar mass is the
mass of one mole of a
substance expressed in
grams.
TRUE
, PERCENTAGE
COMPOSITION
OF A
COMPOUND