B. 3.0 mol·L⁻¹ NaCl
Explanation:
Freezing point is a colligative property: it depends only on the number of particles in solution.
The for freezing point depression ΔT_f is
ΔT_f = iK_fb
where
i = the number of moles of particles available from one mole of solute
K_f = the molal freezing point depression constant
b = the molal concentration of the solute
All your solutions are aqueous NaCl. They differ only in their concentrations.
Thus, the most concentrated solution will have the greatest freezing point depression and the lowest freezing point.
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Compound name:
Bromine chloride
Bond type:
Covalent Bond
Reasoning for Bond type:
Formed between nonmetal and nonmetal atoms
Br (Bromine) is a nonmetal. Also, known as a liquid.
Cl (Chlorine) is a nonmetal. Also, know as a gas.
Use this website for more element information:
https://ptable.com/#Properties
Alkali metals, alkali earth metals, transition metals, noble gases, halogens, and chalcogens
<span>As particles travel in straight lines, their paths sometimes meet, and then they bounce apart with no gain or loss of energy. hope this help:)</span>
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