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1 vote
How many atoms of each element are in the chemical formula Ca(OH)2?

a)1 calcium, 1 oxygen, and 1 hydrogen
b)1 calcium, 2 oxygen, and 2 hydrogen
c)2 calcium, 1 oxygen, and 2 hydrogen
d)2 calcium, 2 oxygen, and 2 hydrogen

User Callahad
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2 Answers

3 votes
I think it's b

Ca(OH)2 means that Ca + (OH)2 which means that Ca + O2 + H2 right?
User Xsor
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7.2k points
3 votes

Answer: Option (b) is correct that is
Ca(OH)_(2) contains 1 calcium, 2 oxygen, and 2 hydrogen.

Step-by-step explanation:

The chemical formula
Ca(OH)_(2) contains elements of calcium, oxygen, and hydrogen.

The number of atoms of each element in this chemical formula are as follows.

  • Number of calcium atom is 1.
  • Number of oxygen atoms is 2.
  • Number of hydrogen atoms is 2.
User John Baum
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