Calculate the percentage ionization of benzoic acid at the, Ask an Expert

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1) Give the expected hybridization of the central atom in the following molecules

sulphur in SF6

oxygen in H2O

seleniurn SeO3

phosphorus in PBr5

tellurium in TeF4

2) if we trcat H2O as weak acid , and H2O+ as bronted acid, what would be the Equation for their ionization constants (Ka) ?

3) culculate the pH of the 0.25M NH3 \ 0.30M NH4CL buffer system. what is the pH after the addition of (i) 40ml of 0.15M NaOH and (ii) 30ml of 0.20M HCl to 60ml of thebuffer solution ?

4) circle the molecules with a dipole moment ?

NH3 , CO2 , CHCl3 , CH4 , SO2

5) calculate the percentage ionization of benzoic acid at the following concentration : assume the approximation for both cases to be correct : a) 0.20M b) .0.00020M

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Chemistry, Academics

Category:- Chemistry
Reference No.:- M9469846

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