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UV CHEMISTRY CLASSES, 11. The resistance of a conductivity cell containing 0.001M KCI solution at 298 K is 15002. What is the, cell constant if conductivity of 0.001M KCI solution at 298 K is 0.146 x 10-3S cm-, B = *, xcell conslant, -3, X = 1.46X/S00X/0, 2. 19 Cm-!, -3, lo46x10, 1500, %3D, 12. Conductivity of 0.00241 M acetic acid is 7.896 x I0-$ S cm-. Calculate its molar conductivity and if, A° for acetic acid is 390.5 S cm? mol-', what is its dissociation constant?, りx(oo0, 7.896 Xlo, -5 x lo00, = 3,2 76 Omm Cn/mole, %3D, レ, Intoo ., 32.76, od084, 390.5, K 2, 2 0. 00 241 X C• p84), 13. The conductivity of 0.20 M soluțion of KCI at 298 K is 0.0248 S cm-. Calculate its molar, conductivity., 0248x1000, - 124 ohm ant mde, Conc, • 20, 14. A° for NaCl, HCI and NaAc are 126.4, 425.9 and 91.0 S cm? mol- respectively. Calculate Ao for, HAC., 425.9 +91+ 126.4, %3D, A MAc, 390.5 S Cm? more-1, ニ, 15. The conductivity of 0.001028 M acetic acid is 4.95 x 10 S cm. Calculate its dissociation constant, if A° for acetic acid is 390.5 S cm? mol-., 4.95x10 x lo0o, 2., こ 481, : 4801 S cu* /msle, Conc., oolov8, 48.1, * レ3, 390.5, •00l028 X (123), UV CHEMISTRY CLASSES, BY VIJAY GOYAL #,3396 SECTOR 23-D, CHANDIGARH PHONE NO: 2727520 MOBILE NO. 9315335050, (उ4)
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UV CHEMISTRY CLASSES, 16. Resistance of a conductivity cell filled with 0.1 M KCI solution is 100 2. If the resistance of the, same cell when filled with 0.02 M KCI solution is 520 2, calculate the conductivity and molar, conductivity of 0.02 m KCl solution. The conductivity of 0.1 M KCI solution is 1.29 S/m., •| MKCP, *or M KU, 1000, l.29, 520 o, Ame ?, 6z k x cele constand, ( IM), 1.292 1 x cell Comstant, 1.29, 528, •248, と, , xcell Coatant, ^mz bx1000, • 248 x 1000, = 124 00/ohmt, cn /mole, Conc, • O LE, 17. The electrical resistance of a column of 0.05 M NàOH solution of diameter 1 cm and length 50 cm is, 5.55 x 10' ohm. Calculate its resistivity, conductivity and molar /conductivity., 55X16, 55-5/x 22x SXló4, ニ, 50, T00, 50 X lo-2, 87.11, M z B XI000, 0• oll48X l000, = 229. 6 S amt moe-!, Core, •05, UV CHEMISTRY CLASSES, BY VIJAY GOYAL #,3396 SECTOR 23-D. CHANDIGARH PHONE NO: 2727520 MOBILE NO, 9815335050, to