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Chemistry / Principles of General Chemistry 2 / Chapter 4 / Problem 33P

Principles of General Chemistry | 2nd Edition | ISBN: 9780073511085 | Authors: Martin S. Silberberg

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Chapter 4, Problem 33P

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QUESTION: Problem 33P

Aluminum sulfate, known ascake alum, has a 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. (b) What mass of precipitate forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a solution that contains 15.8 g of aluminum sulfate per liter?

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QUESTION: Problem 33P

Aluminum sulfate, known ascake alum, has a 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. (b) What mass of precipitate forms when 185.5 mL of 0.533 M NaOH is added to 627 mL of a solution that contains 15.8 g of aluminum sulfate per liter?

ANSWER:

Step 1 of 4

(a)

The balanced molecular equation for the reaction is:

The complete ionic equation can be given as:

The spectator ions can be ruled ot to obtain the net ionic equation as:

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