Which set of the statements below includes only the correct names and formulas?
i) Barium oxide has the formula BaO2
ii) CrCO3 is chromium(II) carbonate
iii) Magnesium sulfite has the formula MnSO3
A. ii) only
B. i) only
C. i) and ii) only
D. iii) only
E. i) and iii) only
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