Consider the equation 2 H2 + O2 2 H2O, what does the 2 in the coeffi – McqOptions

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1.	Consider the equation 2 H2 + O2 2 H2O, what does the 2 in the coefficient of H2O molecule represent?
A.	number of particles
B.	the number of molecules
C.	number of moles
D.	number of atoms
Answer» D. number of atoms

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