# chemistry

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Consider the reaction between hydrogen and oxygen gases to form water: 2H2(g) + O2(g) ¨ 2H2O(l) Which of the following is not conserved in this reaction?

• chemistry -

A.
atoms
B.
mass
C.
moles of molecules
D.
moles of atoms
E.
both moles of molecules and moles of atoms

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