The answer is D
FeCl3 + 3 NH4OH → Fe(OH)3 + 3 NH4Cl
<span>Colligative properties are properties of solutions that depend on the number of molecules [or ions] in a given volume of solvent and not on the properties (e.g. size or mass) of the compound. Colligative properties include: lowering of vapor pressure; elevation of boiling point; depression of freezing point and osmotic pressure.</span>
Answer:
color
Explanation:
Scientists can use the color of minerals to tell them apart.