What are the coefficients when the equation below is balanced? _H2 + _O2 ⟶ -- _H2O

A) 2,2,1
B) 1,1,2
C) 2,1,2
D) 4,3,1

2H2 + O2 = 2H2O

is the balanced equation

so the answer would be C

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

c.

explanation: