Van't Hoff factor expresses how many ions and particles are formed, on average, in a solution from one formula unit of solute. It is the ratio between the actual concentration of particles produced when a substance is dissolved, and the concentration of a substance as is calculated from its mass.
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If you square any real number it will always be positive.
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Yes, technically, since -9 x -1 = 9 In general, we don't list negative factors of positive numbers. We do list negative factors of negative numbers.
The vant Hoff factor for NaCl is 2, as it completely dissociates into Na+ and Cl- ions in water, resulting in two ions formed per formula unit of NaCl.
Calcium nitrate, Ca(NO3)2, dissociates into three ions in solution: one calcium ion (Ca2+) and two nitrate ions (NO3-). Therefore, the van't Hoff factor for calcium nitrate is 3.
The van't Hoff factor for sodium sulfate (Na2SO4) is 3, as it dissociates into 3 ions in solution: 2 Na+ ions and 1 SO4^2- ion.
The van't Hoff factor of MgSO4 is 3, as it dissociates into three ions: Mg2+ and 2SO4^2-. For a freezing-point depression, we need to use the equation ΔT = iKfm, where i is the van't Hoff factor, Kf is the cryoscopic constant, and m is the molality of the solution. By rearranging the equation, we can solve for i, which would be 3 in this case.
The van't Hoff factor for CH3OH (methanol) is 1, since it does not dissociate into ions in solution.
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The van't Hoff factor for Na2SO4 is 3, as it dissociates into 3 ions when dissolved in water: 2 Na+ ions and 1 SO4 2- ion.
Fred Vant Hull was born in 1920.
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The van't Hoff factor for AlCl3 is 4. AlCl3 dissociates into Al3+ and 3Cl- ions when it dissolves in water, resulting in a total of 4 ions in solution per formula unit of AlCl3.
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The van't Hoff factor for K2SO4 is 3. This is because K2SO4 dissociates into 2 K+ ions and 1 SO4^2- ion in solution, resulting in a total of 3 ions when it dissociates completely.