3 years ago

Question 4 (1 point) If 18 grams of oxygen reacts completely with 4 grams of hydrogen, we would expect how many grams of water?

Biology

1 answer:

Lisa [10]3 years ago

6 0

Answer:

C.22 grams because mass cannot be created or destroyed

Explanation:

Reaction equation:

2H₂ + O₂ → 2 H₂O

Mass of oxygen = 18g

Mass of hydrogen = 4g

The mass of water produced is 22g according to law of conservation of mass.

The law states that " in a chemical reaction, mass is always conserved"

The sum of the mass of product and reactants must always be the same.

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