MgCl_2+H_2O" alt="MgO+2HCl=>MgCl_2+H_2O" align="absmiddle" class="latex-formula">
NaNO_3+HOH(H_2O)" alt="NaOH+HNO_3=>NaNO_3+HOH(H_2O)" align="absmiddle" class="latex-formula">
2NaCl+BaSO_4\downarrow" alt="Na_2SO_4+BaCl_2=>2NaCl+BaSO_4\downarrow" align="absmiddle" class="latex-formula">