Problem: What volume of 0.100 M NaOH is required to precipitate all of the nickel(II) ions from 150.0 mL of a 0.249-M solution of Ni(NO3)2?

FREE Expert Solution
  • Write the balanced equation to establish a relationship between the reactants via stoichiometry

  • Reaction will appear as a double displacement reaction where counterions are switched

  • Products will appear as NaNO3 (from Na+ and NO3-) and Ni(OH)2 (from Ni2+ and OH-)

  • Reaction will appear as:

Ni(NO3)2 (aq) + NaOH (aq) → Ni(OH)2 (aq) + NaNO3 (aq)

  • Balance NO3-

Ni(NO3)2 (aq) + NaOH (aq) → Ni(OH)2 (aq) + 2NaNO3 (aq) (2 on both sides)

  • Balance Na and OH-, balanced reaction will appear as:

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Problem Details

What volume of 0.100 M NaOH is required to precipitate all of the nickel(II) ions from 150.0 mL of a 0.249-M solution of Ni(NO3)2?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Solution Stoichiometry concept. You can view video lessons to learn Solution Stoichiometry. Or if you need more Solution Stoichiometry practice, you can also practice Solution Stoichiometry practice problems.

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Based on our data, we think this problem is relevant for Professor Deluca's class at UTAH.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.