Question

What is the minimum mass of caco3 below which it decomposes completely?

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

ANSWER

For the given reaction,

CaCO

3

(s)⇌CaO(s)+CO

2

(g)

Here K

c

=[CO

2

]=0.005mol

−1

∴ for 6.5l container

moles of CO

2

required =6.5×0.005

=0.0325mole

∴ moles of CaCO

3

required =0.0325mole

mass of CaCO

3

(min) =0.0325×100

=3.25g