How many elements are there in the first column of the periodic table?
1 answer:
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Answer:
1) 40
2) 2.25 moles
3) 17
4) 120
5) Fe₂O₃
Explanation:
Please see attached picture for full solution.
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:
=