Solutions and Mixtures

AP Chemistry· difficulty 3/5

Adding salt to ice melts it because

A
$Salt is hot$
B
$Salt creates light$
C
$Salt absorbs heat$
D
$Solute lowers the freezing point of water below the ambient temperature$
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Explanation

Why we salt icy roads. ΔT_f = K_f \cdot m \cdot i. Each NaCl gives i = 2 dissolved particles.

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