Question

plz yaalo, solve kar do. ........​

Answer 1

Look at the attachment : -

Hop its helpful

Answer 2

Answer:

Explanation:

n(C2H4)---->(-Ch2-Ch2)

As we know that

law of conversation mass :-

Total mass of the reactant = Total mass of the product

So

100 gram of polyteine ethelene= 100gram of the given weight

Hope it helps u❤☺