A、NaCl
B、<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt;">CaF</span><sub><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt; vertical-align:sub;">2</span></sub></p>
C、<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt;">CaF</span><sub><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt; vertical-align:sub;">2</span></sub></p>
D、<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt;">CaCl</span><sub><span style="mso-spacerun:'yes';font-family:宋体;mso-bidi-font-family:'Times New Roman'; mso-bidi-font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt; vertical-align:sub;">2</span></sub></p>