Answer
a) $HCLO_2$
b) $(H_3PO_4)$
c) $H_3O^+$
d) $(NH_4)^+$
Work Step by Step
a) $HCLO_2$
b) $(H_3PO_4)$
c) $H_3O^+$
d) $(NH_4)^+$
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