(04.01 MC) Which of the following equations is balanced? (5 points)
a
2H2 + O2 + 4H20
b
4Na + 02 2Na20
С
Fe2O3 + H2 → 2Fe + 3H20
d
CH4 + O2 → CO2 + H20
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Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

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