Question

What percent of oxygen, carbon, and Calcium are in 28.2 grams, 27.0 grams, and 26.03 grams of CaCO3
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Answer 1

Answer:

A

100.09

⋅

g

mass of calcium carbonate contains

48

⋅

g

of oxygen atoms.

Explanation:

In one mole of calcium carbonate, there are

40.08

⋅

g

calcium metal,

12.01

⋅

g

of carbon, and

3

×

15.999

⋅

g

=

48

⋅

g

of oxygen.

Answer 2

Answer:

Explanation:

:

A =100.09g

mass of calcium carbonate contains

48g of oxygen atoms.

In one mole of calcium carbonate, there are

40.08g

calcium metal, 12.01g of carbon, and 3×15.999g

=48g of oxygen.

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