Question

i attached the question above
solve it step by step
then ill mark as brainliest
pls answer fast
no cheating pls urgent ​

Answer 1

Answer:

here is your answer

Explanation:

its a)2.2and1.1. ok

Answer 2

Answer:

c is the right answer

Explanation:

This happens with respect to law of conservation of mass

which states that mass can neither be created or destroyed in a chemical reaction