Question

In a chemical reaction, 30 g of reactant A are combined with 10 g of reactant B. Both A and B reacts to
completion. How much will the product weigh?​

Answer 1

Explanation:

According to the law of Conservation of Mass

Mass of Reactants = Mass of Products

30 + 10 = 40 g

Therefore , the product formed after the complete reaction of A and B will weigh 40 g.

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