Question

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Determination of Solubility Product Constant 10.7 Name Section PRE-LAB 1. In your own words explain the common ion effect. The common ion effect is when the solubility of a salt is affected by the presence of an ion which is common to any of the ions in the salt. 2. What would happen to the volume of titrant needed to reach the equivalence point, if some of the solid particles were part of the analyte transferred into the Erlenmeyer flask? The volume required will be less than the expected since the analyze will be in less quantity due to loss of solid particles 3. In this experiment should the Ko remain constant in this experiment? Why or why not? Click or tap here to enter text. Determine the mole ratio of sodium thiosulfate to the thiosulfate ion in the dissociation reaction: Na2S2O3 -> 2Na+ + 9,0; Click or tap here to enter text. 5. Determine the mole ratio of the thiosulfate ion to the iodine molecule in the titration reaction: 12(0) + 28,0;-(29) 2199) + S4067 (9) Click or tap here to enter text. 6. Determine the mole ratio of the iodine molecule to the iodate ion in the titration reaction: 109+ S + 6H2O → 31700) + 9H20 Click or tap here to enter text.

Answer 1

an - 17 common gon effect when solubility of an electrolyte is suppressed in presence of a relatively stronger electrolyte containing one of the song common is defined as common ion effect for eg solubility of Agd in water is decreased in presence of Nad. . 2) of solid particles remain, no of moles in solution of the Eifferant is less than expected. Hence, a lower volume of tite I shall be recorded 13) ksp is nothing but an equilibrium constant. Hence, as long as the temperature remains constant the Ksp is unchanged. 47 one mole of Na2S2O3 furnishes I mole of 520 2. Hence, I mole ratio : Na2S2O3 : 203² = 1:1 (Aus) 57 from balanced equation; we find one Iz molecule reacts with 2 moles of S203 ion. Hence; Iq: 520,2" 1:2 (Ang) one e 67 from balanced equation, we find that more ratio of of iodate furnishes 3 moles of I2. 103: I2 = 1:3. Ang ) Hope it helps.