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The specific conductance of a saturated solution of AgCl is 1.55*10-6

ohm-1 cm-1

and 

that of water is 4.3*10-7

ohm-1 cm-1

. In a field of 1 volt per cm. mobility of chloride and 

silver ions are 5.6*10-4 and 6.8*10-4 cm/sec. calculate solubility and solubility product 

of AgCl.


What do you mean by electrode potential and how the trends of the electrode potentials vary 

across the first series of the transition metals ? 


What is the pH change (∆pH) when 50 ml 0.2 M NaOH is added to 200 ml mixture of buffer solution containing 0.15 M acetic acid and 0.2 M sodium acetate?



Lütfen birini seçin:


a.

0.6


b.

0.54


c.

0.28


d.

0.3


Which species are present in aqueous solution of 0.12 M NH3 solution except for H2O?



Lütfen birini seçin:


a. NH4+, OH-


b. NH3, NH4+


c. NH3, NH4+, OH-


d. NH3, NH4+, H3O+, OH-


e. NH3, OH-


What is the pH of 0.12 M NH3 ?


Lütfen birini seçin:


a. 8.88


b. 6.88


c. 1.84


d. 12.16


e. 7.88


What is the hydronium ion concentration of 0.001 M NaHCO3 ?



Lütfen birini seçin:


a. 8.8


b. 7.3


c. 8.3


d. 8


What is the pH of the solution when 100 ml 0.04 M HCl is added to 100 ml 0.08 M sodium hydrogen malate solution?


Lütfen birini seçin:

a. 12

b. 3.46

c. 2

d. 10.54


6.00 M of sulfuric acid, H2SO4(aq), has a density of 1.338 g/mL. (a) What is the percent by mass of 

sulfuric acid in this solution? (b) How to prepare a 100.0 mL of 1.25 M H2SO4 using this as a standard 

solution?


0. 6.00 M of sulfuric acid, H2SO4(aq), has a density of 1.338 g/mL. (a) What is the percent by mass of 

sulfuric acid in this solution? (b) How to prepare a 100.0 mL of 1.25 M H2SO4 using this as a standard 

solution?


An oxide of nitrogen contains 63.1% oxygen and has a molar mass of 76.0 g/mol. What is the empirical

formula for this compound?



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