Rank the following in order of increasing mass: 1.0 mole of methane (CH4) , 0.50 mole of water (H2O) , 0.20 mole of Fe, and 0.010 mole of U.
A) U < Fe < H2O < CH4
B) H2O < CH4 < Fe < U
C) H2O < CH4 < U < Fe
D) U < H2O < CH4 < Fe
E) U < H2O < Fe < CH4
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