Answer : The correct option is, 13.7 mole
Solution : Given,
Moles of 
= 27.4 moles
The given balanced chemical reaction is,
From the balanced chemical reaction, we conclude that
As, 2 moles of react with 1 moles of 
So, 27.4 moles of react with 
moles of
Therefore, the number of moles of oxygen required are, 13.7 moles
Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in <span>halogens.
</span>
Answer:
B is the answer
Explanation:
Because it a molecular mass of one
Scientists often repeat one or more steps several times.
Element name = <u>strontium</u>
