Section 3

Question 1

what are the state symbols?

Answer 1

(s) - solid
(l) - liquid
(g) - gas
(aq) - aqueous (dissolved in water)

Question 2

what is the relative formula mass (Mr)?

Answer 2

the relative atomic mass (Ar) (n+p) of all the atoms a compound contains

Question 3

mole

Answer 3

a unit for the amount of a substance (6.02 x 10 power of 23)

Question 4

formula to find moles

Answer 4