2. The addition of dimethylglyoxime, H₂C4H6O₂N₂, to a solution containing nickel(II) ion gives rise to the precipitate, Ni(HC,H,O₂N2)2: N₁2+ + H₂C4H₂O₂N₂ 2H+ + Ni(HC4H6O₂N2)2 (s) Nickel dimethylglyoxime is a bulky precipitate that is inconvenient to manipulate in amounts greater than 175 mg. The amount of nickel in a type of permanent-magnet alloy ranges between 24% and 35%. Calculate the amount of sample that should not be exceeded when analyzing these alloys for nickel.

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2. The addition of dimethylglyoxime, H₂C4H6O₂N2, to a solution containing nickel(II) ion
gives rise to the precipitate, Ni(HC4H6O₂N2)2:
N₁²+ + H₂C4H6O₂N₂ → 2H+ + Ni(HC₂H5O₂N2)2 (s)
Nickel dimethylglyoxime is a bulky precipitate that is inconvenient to manipulate in
amounts greater than 175 mg. The amount of nickel in a type of permanent-magnet alloy
ranges between 24% and 35%. Calculate the amount of sample that should not be exceeded
when analyzing these alloys for nickel.
Transcribed Image Text:2. The addition of dimethylglyoxime, H₂C4H6O₂N2, to a solution containing nickel(II) ion gives rise to the precipitate, Ni(HC4H6O₂N2)2: N₁²+ + H₂C4H6O₂N₂ → 2H+ + Ni(HC₂H5O₂N2)2 (s) Nickel dimethylglyoxime is a bulky precipitate that is inconvenient to manipulate in amounts greater than 175 mg. The amount of nickel in a type of permanent-magnet alloy ranges between 24% and 35%. Calculate the amount of sample that should not be exceeded when analyzing these alloys for nickel.
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