Because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.
Answer:
make contact with the heat source
Explanation:
a person who is studying or has expert knowledge of one or more of the natural or physical sciences.
The Role of Science in Society. ... Scientists attempt to achieve their goals by either providing information (i.e., educating policy makers about science) or by championing particular policy outcomes (e.g., by using persuasive arguments, political pressure, or positive incentives to achieve particular policy goals).
<span>0.15 = 255.0 / X ---> </span><span>X = 255.0 / 0.15 </span>
<span>X = 1700g </span>
<span>(H2O + NaCl) - (NaCl) = H2O </span>
<span>1700g - 255g = 1445g
</span>
The mass of water would be 1445g.