Dalton based in his theory proposed the elements that are composed of identical mass and properties
Molecular solids do not ionize into several particles while ionic solids do (to some extent). Since Freezing-point depression is a colligative property, caused by the presence of particles of non-volatile solute (and not on their chemical nature), ionic solids have a multiplicative effect on the change in temperature per unit - i.e. the van't hoff constant, i<span>.
F</span>P depression equation: <span>ΔT=i∗m∗<span>Kb
</span></span>Molecular solids have i=1 always, and ionic solids <span>i≥2.
</span><span>The formula to find the molar mass:
</span>M=<span><span>i∗m∗<span>Kb/</span></span><span>k<span>g <span>solvent</span></span>∗ ΔT</span></span>
33 - 15 = 18
This element is P-33
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Answer:
voltage source
Explanation:
establishes an electric potential difference across the two ends of the external circuit and thus causes the charge to flow. The voltage source is the numerical value of this electric potential difference.