Question

A sample CaCO3 contains 20% non volatile impurities. Calculate the mass of the solid residue left after the decomposition of 10g sample.​

Answer 1

Answer:

CaCO

3

(s)

→

CaO(s)

Residue

+

CO

2

(g)

100

grams of calcium carbonate liberates approximately

22.4

x

L

carbon dioxide at

STP

,

0

∘

C

and

1 atm

pressure because it's about

1 mol

of

CaCO

3

.

Because volume is extensive,

⇒

10

grams of calcium carbonate liberates

22.4

×

10

100

x

L

carbon dioxide

=

2.24

L

carbon dioxide.

Explanation:

hope this is help u