78 g of potassium (K) react with 71 g of chlorine (Cl) to produce potassium chloride. According to the Law of Conservation of Mass, what is the mass of the product (2KCl)

Question

(1 point)

Responses

149 g

156 g

2 g

4 g

Answer 1

According to the Law of Conservation of Mass, the mass of the product (2KCl) would be equal to the total mass of the reactants.

The total mass of the reactants is 78 g + 71 g = 149 g.

Therefore, the correct answer is 149 g.