Answer:
I attached a photo of balanced equations but thats as much as I can help.
Explanation:
Answer:
"2.48 mole" of H₂ are formed. A further explanation is provided below.
Explanation:
The given values are:
Mole of Al,
= 3.22 mole
Mole of HBr,
= 4.96 mole
Now,
(a)
The number of mole of H₂ are:
⇒ 
or,
⇒ 
⇒ 
⇒ 
(b)
The limiting reactant is:
= 
(c)
The excess reactant is:
= 
There are
4.517
⋅
10
23
atoms of Zn in 0.750 mols of Zn.
It can form a covalent bond with a hydrogen bond that has one valence electron to have eight valence electrons and become stable.