Question

calculate+the+relative+molecular+mass+of+ammonium+dichromate

Answer 1

answer is present in attachment

#i hope it will help you #

Answer 2

Molar Masses of the Elements

Nitogen:

14.007 g/mol

Hydrogen:

1.00794 g/mol

Chromium:

51.9961 g/mol

Oxygen:

15.999 g/mol

Molar Mass of Ammonium Dichromate

(2×14.007)+(8×1.00794)+(2×51.9961)+(7×15.999)=252.06 gmol