Answered

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two reactants X and Y , are combined and form a new substance with a mass of 375g. the mass of reactant X is 300 g. what is the mass of reactant Y?

Sagot :

quasarJose

Answer:

75g

Explanation:

Given parameters

Mass of product  = 375g

Mass of reactant X  = 300g

Unknown:

Mass of reactant Y  = ?

Solution:

To solve this problem, we need to understand the law of conservation of mass. The law states that "matter is neither created nor destroyed in a chemical reaction".

So;

      Mass of X + Mass of Y   =  Mass of product

            Mass of Y = Mass of product  - Mass of X

           Mass of Y  = 375  - 300  = 75g

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