When magnesium is heated in air, it reacts with oxygen to form magnesium oxide: 2Mg(s) + O2(g) → 2MgO(s) If the mass of the magnesium solid increases by 0.335 g, what mass of magnesium metal should have reacted?
A) 0.882 g
B) 0.441 g
C) 0.509 g
D) 1.02 g
E) not enough information
Correct Answer:
Verified
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