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6 April, 11:53

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. 6 April, 15:49
    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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