Question

Look at this equation: 2 H2 + O2 --> 2 H2O. Why isn't there any coefficient in front of oxygen? HELP!!

A. A one is assumed when no coefficient is present.


B. There is an unlimited amount of oxygen


C. The 2 after the oxygen is all that is needed


D. All of these

Answer 1

im pretty sure its a but im gonna double check real quick

Answer 2

A:one is assumed when no coefficient is present

Explanation:

seems right to me if in wrong im sorry :|