Question

In a laboratory, a student decomposes 10.5 g of
CaCO3
to obtain
CaO
and
CO2
.

If 5.25 g of
CaO
is produced in this process, what is the percentage yield of this reaction?

(Note: Molar mass of Ca = 40 g mol-1

, C = 12 g mol-1

and O = 16 g mol-1
)

A. 50%
B. 89.29%
C. 112%
D. 200%
3. Which of the

Answer 1

Answer:

In a laboratory, a student decomposes 10.5 g of

CaCO3

to obtain

CaO

and

CO2

.

If 5.25 g of

CaO

is produced in this process, what is the percentage yield of this reaction?

(Note: Molar mass of Ca = 40 g mol-1

, C = 12 g mol-1

and O = 16 g mol-1

)

A. 50%

B. 89.29%

C. 112%

D. 200%

3. Which of the

Answer 2

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