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21 April, 12:06

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

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Answers (1)
  1. 21 April, 12:40
    0
    I think it's b

    Ca (OH) 2 means that Ca + (OH) 2 which means that Ca + O2 + H2 right?
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