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How many different types of atoms are in the formula Ba(OH)2 • 8H2O?

A)3
B)2
C)11
D)22

User Skozin
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1 Answer

2 votes
The answer should be A.

Why?
“Different type of atoms” which refers to different element present in the compound. Only Barium, Oxygen, and Hydrogen found in that compound, thus there are 3 types of atom founded it hydrated barium hydroxide.

I hope this enlighten. Apologize for any English or Chemistry concepts.
User Hichamx
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