Question

Activity 2
Write the molecular formulae of:
1.
Copper oxide
2. Iron (III) chloride
3. Sodium hydroxide
4. Iron (II) sulphide
5. Lead (II) oxide
6. Hydrogen nitrate (nitric acid)
7. Hydrogen sulphate (sulphuric acid)
8. Calcium hydroxide
9. Magnesium carbonate
10. Ammonium carbonate​

Answer 1

Answer:

CuO

FeCl3

NaOH

FeSO4

PbO

HNO3

H2SO4

Ca(OH)2

MgCO3

Answer 2

Explanation:

cuo

fe3cl2

naoh

fe2so4

pbo

?

?

caoh2

mg2co3

nh4co3