Question

The number of moles of oxygen atoms present in 1 kg CaCO3
(A) 5
(B) 10
(C) 30
(D) 20
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Answer 1

Answer:

⭕️The number of moles of oxygen atom present in 1 kg caco3 ⭕️

✔️1.8 into 10^22✔️

Hope it may be help you!!!!!!!!

Answer 2

Answer:

10 moles is the answer

Explanation:

CaCO3 = 40g + 12g + 48g

= 100g

1kg = 1000g

n= W/GMW

= 1000/100

= 10 moles