Question

4P + 502 → 2P20x

The subscript of oxygen in the product should be?

a. 2

b.5

c.10

d.20

Answer 1

5

Step-by-step explanation:

According to the Law of Conservation of Matter, the mass of the products in a chemical reaction must equal the mass of the reactants.

5O2 = 10 Oxygen atoms

In 2POx there must be 10 Oxygen atoms too. => x = 5

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Hope it can help you.