Problem: Write the balanced chemical equation for each of these reactions. Include phases.1. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms.2. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)4]2-

FREE Expert Solution

(A) Reactants:

• lead(II) nitrate – Pb(NO3)3

▪ lead (III) → +3 charge → Pb3+

▪ nitrate → polyatomic ion → -1 charge → NO3- 


Sodium hydroxide – NaOH

▪ sodium → group 1A → +1 charge → Na+ 

▪ hydroxide → polyatomic ion → -1 charge → OH-

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Problem Details

Write the balanced chemical equation for each of these reactions. Include phases.

1. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms.

2. However, when additional aqueous hydroxide is added the precipitate redissolves forming a soluble [Pb(OH)4]2-

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