The answer to this question would be: 2.36 mol
To answer this question, you need to know the molecular weight of copper. Molecular weight determines how much the weight of 1 mol of a molecule has. Copper molecular weight about 63.5g/mol. Then, the amount of mol in 150g copper should be: 150g / (63.5g/mol)= 2.36 mol
Answer:
Mg(OH)2(s) + 2HCl(aq) → 2H2O(l) + MgCl2(aq)
Explanation:
<h2><u>Answer</u> :</h2>
The most appropriate option is :
Since, they are the most abundant elements found in Earth's Crust.
I can't see the picture, but in general, I believe it is in dropping from the first energy level above the ground state, to the ground state.
