5. 4mg(oh)₂ mg= o= h=
5. 4mg(oh)₂ mg= o= h=
Answer
Explanation:
Step1: Determine the number of each atom in one formula unit
In one formula unit of $Mg(OH)_2$, there is 1 Mg atom, 2 O atoms, and 2 H atoms.
Step2: Multiply by the coefficient
We have 4 formula - units of $Mg(OH)_2$. For Mg: The number of Mg atoms is $4\times1 = 4$. For O: The number of O atoms is $4\times2=8$. For H: The number of H atoms is $4\times2 = 8$.
Answer:
Mg = 4, O = 8, H = 8