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Today, 07:51

How many atoms are in 4Mg (OH) 2

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Answers (2)
  1. Today, 08:16
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    There are 4 mg

    1 oxygen

    1 hydrogen

    Then you have to double that beach use of the 2

    So the answer is 12
  2. Today, 08:17
    0
    The 2, written as a subscript, counts for only the hydrogen. 3 H2O has 6 atoms of H and 3 atoms of O. The 3, written as a coefficient, means that there are 3 "H2O"s.

    Mg (OH) 2 has 1 atom of Mg, 2 atoms of O, and 2 atoms of H.
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