Chemistry, 17.04.2021 20:50 mariap3504

If you prepare it as a buffer solution to control the pH, is possible to prevent the precipitation of Aluminum Hydroxide from a 0.00452 M Aluminum nitrate solution. Which of the following buffers solutions would not result in the precipitation of Aluminum Hydroxide from this solution
Ksp for Al(OH)3 3.0 x 10-34
Weak Acid Ka
CH3COOH (acetic acid) 1.8 X 10-5
C6H5COOH (benzoic acid) 6.5 x 10-5
C6H5OH (phenol) 1.3 X 10-10
HNO2 (nitrous acid) 4.5 X 10-4
a. 10.0 M CH3COOH with 1.0 M CH3COONa
b. 1.0 M HNO2 with 4.0 M NaNO2
c. 1.0 M HNO2 with 1.0 M NaNO2
d. 1.0 M C6H5COOH (benzoic acid) with 0.25 C6H5COONa
e. 1.0 M CH3CoOH with 1.0 M CH3COONa
f. 2.0 M C6HsOH with 1.32 M KC6HsO
g. 1.0 M C6HsOH with 1.0 M KC6HsC0

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