<TABLE cellSpacing=0 cellPadding=4 width="95%" bgColor=#9999ff border=3><TBODY><TR><TD class=questbody bgColor=#9999ff colSpan=2><BASEFONT>Based on the solubility rules, which one of the following should be soluble in water?
</BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" A " name=R612A></CENTER></TD><TD class=questitem><BASEFONT>Hg<SUB>2</SUB>Cl<SUB>2</SUB> </BASEFONT></TD></TR><TR><TD class=questselect width="5%" bgColor=#000000><CENTER><INPUT type=submit value=" B " name=R622B></CENTER></TD><TD class=questitem><BASEFONT>Na<SUB>2</SUB>S </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" C " name=R632C></CENTER></TD><TD class=questitem><BASEFONT>Ag<SUB>2</SUB>CO<SUB>3</SUB> </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" D " name=R642D></CENTER></TD><TD class=questitem><BASEFONT>Ag<SUB>2</SUB>S </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" E " name=R652E></CENTER></TD><TD class=questitem><BASEFONT>BaSO<SUB>4</SUB> </BASEFONT></TD></TR></TBODY></TABLE>
</BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" A " name=R612A></CENTER></TD><TD class=questitem><BASEFONT>Hg<SUB>2</SUB>Cl<SUB>2</SUB> </BASEFONT></TD></TR><TR><TD class=questselect width="5%" bgColor=#000000><CENTER><INPUT type=submit value=" B " name=R622B></CENTER></TD><TD class=questitem><BASEFONT>Na<SUB>2</SUB>S </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" C " name=R632C></CENTER></TD><TD class=questitem><BASEFONT>Ag<SUB>2</SUB>CO<SUB>3</SUB> </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" D " name=R642D></CENTER></TD><TD class=questitem><BASEFONT>Ag<SUB>2</SUB>S </BASEFONT></TD></TR><TR><TD class=questitem width="5%" bgColor=#9999ff><CENTER><INPUT type=submit value=" E " name=R652E></CENTER></TD><TD class=questitem><BASEFONT>BaSO<SUB>4</SUB> </BASEFONT></TD></TR></TBODY></TABLE>