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In a significant experiment performed many years ago, 5.6977 g of cadmium iodide in 44.69 $\mathrm{g}$ of water raised the boiling point $0.181^{\circ} \mathrm{C}$ . What does this suggest about the nature of a solution of $\mathrm{CdI}_{2} ?$
$\begin{aligned} \Delta T_{b} &=K_{b} m \\ &=0.512^{\circ} \mathrm{C} m^{-1} \times 0.3481 \mathrm{m} \\ &=0.178^{\circ} \mathrm{C} \end{aligned}$
Chemistry 102
Chapter 11
Solutions and Colloids
Solutions
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Well, everyone, this is Ricky And today, working on Problem 58 from Chapter 11. Um, and so we're going to discuss the nature of a solution of cadmium iodide and why it may or may not affect the boiling point as much as it should in a social of water, Right? So let's just write down our formulas. So Delta T B to ban half times Gaby rooms. Morality. All right, let's solve for morality. So we have 5.6977 brands. Cadmium iodine divide by the molar Mass. Which is, or more tell me, 366.2 grams by the by E the weight in kilograms of solvent, which is 0.4469 grams programs we get. The morality is equal to 0.3481 Morale, huh? K B for water is 0.512 degrees. Seven. Great over moral, and so we should be able to calculate I. So now we have everything except for Van Hoff. But let's assume that there is no association so that we get dealt. A T E is equal to 0.512 um, Times 34 a one, Malala is equal to 0.178 degrees Celsius. However experimentally, uh, the boiling point was raised on it. 181 degree Celsius. And so what this distinction means is that cadmium? I died associates very, very slightly water. All right, so I hope this video is helpful.
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