Question

Barium carbonate decomposes when heated.

BaCO3(s) → BaO(s) + CO2(g)

(a) A student heated a 10.0 g sample of barium carbonate until it was fully decomposed.

(i) Calculate the number of moles of barium carbonate the student used.

moles of barium carbonate =

Answer 1

Answer:

Barium carbonate decomposes when heated.

BaCO

3

(s)→BaO(s)+CO

2

(g)

(a) A student heated a 10.0 g sample of barium carbonate until it was fully decomposed.

Calculate the volume of carbon dioxide gas produced at room temperature and pressure. Give your answer in dm

3

.