A reaction begins with 130.5g of substance X and substance Y. How many grams of substance X and Y are there at the end of the reaction?

A) not enough information provided
B) 100g
C) 65.25g
D) 130.5g

130.5g

Explanation:

At the of the reaction, the combined mass of X and Y will be 130.5g.

The premise for this conclusion is based on the law of conservation of matter.

This law states that "in a chemical reaction, matter is neither created nor destroyed but changed from one form to another".

In essence, in a chemical reaction, there is no mass loss.

it's c. elements are placed in rows based on how may valencies electrons have.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .