A.
HCl prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
H 2 SO 4 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
H 3 PO 4 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
HA C prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>