Naming Compounds, help please!?

Question

Please name these compounds...(pls bear with the subscripts)

a. Na2CrO4

b. K2HPO4

c. HBr(gas)

d. HBr (in water)

e. Li2CO3

f. K2Cr2O7

g. NH4NO2

h. PF3

i. PF5

j. P4O6

k. CdI2

l. SrSO4

m. Al(OH)3

n. Na2Co3

thanks so much!

Answer 1

Here is my attempt, with dodgy lines starred:

Sodium Chromate also disodium chromate

Potassium Monohydrogenphosphate **

or

Dipotassium hydrogenphosphate **

Hydrogen bromide

Hydrobromic acid

Lithium carbonate

Potassium dichromate

Ammonium nitrite

Phosphorus trifluoride

Phosphorus pentafluoride

Phosphorus trioxide !! see link

Cadmium diiodide also Cadmium (II) iodide

Strontium sulfate

Aluminium hydroxide (Aluminum hydroxide in USA)

Sodium Carbonate (Must be written as Na2CO3 (note the capital letter))