Aluminum sulfate known as cake alum has a remarkably wide, Ask an Expert

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Aluminum sulfate, known as cake alum, has a remarkably wide range of uses, from dyeing leather and cloth to purifying sewage. In aqueous solution, it reacts with base to form a white precipitate.

(a) Write balanced total and net ionic equations for its reaction with aqueous NaOH. (Type your answer using the format (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-. Use the lowest possible coefficients. Type the cation before the anion.)

1 Al2(SO4)3 (aq) + 6 NaOH(aq)---> 3 Na2SO4 (aq) + 2 Al(OH)3 (s)
1 Al3 (aq) + 3 [OH]- (aq) ---> 1 Al(OH)3 (s)

(b) What mass of precipitate forms when 150.0 mL of 0.638 M NaOH is added to 517 mL of a solution that contains 13.4 g aluminum sulfate per liter?

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Category:- Chemistry
Reference No.:- M9866336

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