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The ratio of pH of solution (1) containi...

The ratio of `pH` of solution `(1)` containing 1 mole of` CH_(3)COONa` and 1 mole of `HCl` and solution `(II)` containing 1 mole of `CH_(3)COONa` and 1 mole of acetic acid in one litre is `:`

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The correct Answer is:
`1:2;`
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The Ph of basic buffer mixtures is given by : Ph=Pk_(a)+ log (["Base"])/(["Salt"]) whereas Ph of acidic buffer mixtures is given by : Ph = pK_(a)+"log"(["Salt"])/(["Acid"]) . Addition of little acid or base although shows no appreciable change in Ph for all practical purposes, but sicne the ratio (["Base"])/(["Salt"]) or (["Salt"])/(["Acid"]) changes, a slight decrease or increase in pH results. The ratio of pH of solution (I) containing 1 mole to pH of solution (II) containing 1 mole of CH_(3)COONa and 1 mole of acetic in one litre is :

a. Calculate the ratio of pH of a solution continaing 1mol . Of CH_(3)COONa +1 mol of HC1 per litre and of other solution containing 1mol of CH_(3)COONa + 1mol of CH_(3)COOH per litre. b. A 0.1M solution of weak acid HA is 1% dissociated at 298k . what is its K_(a) ? what will be the new degree of dissociation of HA and pH when 0.2M of NaA is added to it.

The pH of a solution containing 0.1mol of CH_(3)COOH, 0.2 mol of CH_(3)COONa ,and 0.05 mol of NaOH in 1L. (pK_(a) of CH_(3)COOH = 4.74) is:

Volume of 2 M HCl required to neutralise the solution containing 1"mole" of NH_(4)Cl and 1 "mole" of NaOH is:

P BAHADUR-IONIC EQUILIBRIUM-Exercise
  1. 100 mL of HCI gas at 25^(@)C and 740 mm pressure were dissolveed in on...

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  2. Calculate the pH of a buffer solution prepared by dissolving 30g of Na...

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  3. The ratio of pH of solution (1) containing 1 mole of CH(3)COONa and 1 ...

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  4. a. Calculate the ratio of pH of a solution continaing 1mol. Of CH(3)CO...

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  5. Calculate the weight of (NH(4))(2)SO(4) which must be added to 500mL o...

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  6. 0.00050 mole of NaHCO(3) is added to a large volume of a solution buff...

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  7. 0.1M CH(3)COOH solution is titrated against 0.05M NaOH solution. Calcu...

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  8. A solution of weak acid was titrated with base NaOH. The equivalence p...

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  9. A weak acid HA after teratment with 12 mL of 0.1M strong base BOH has ...

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  10. To a solution of acetic acid, solid sodium acetate is added greadually...

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  11. When 40 mL of a 0.1M weak monoacid base is titrated with 0.16M HCI, t...

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  12. The [Ag^(+)] ion in a saturated solution of Ag(2)CrO(4) at 25^(@)C is ...

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  13. K(sp) of PbBr(2) is 8 xx 10^(-5). If the salt is 80% dissociated in so...

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  14. K(sp) of PbC1(2) is 10^(-13). What will be [Pb^(2+)] in a of solution ...

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  15. Calculate simultaneous solubility of AgCNS and AgBr in a solution of w...

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  16. BaSO(4) and BaCrO(4) have solubility product values in the ratio 1:2.5...

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  17. A mixture of water and AgCI is shaken until a saturated solution is ob...

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  18. Zn salt is mixed with (NH(4))(2)S of molarity 0.021M. What amount of Z...

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  19. A particular water sample has 131 ppm CaSO(4). What fraction of the wa...

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  20. To a solution of 0.1M Mg^(2+) and 0.8M NH(4)CI, and equal volume of NH...

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