A 1.000-g sample of unknown gave 2.500 g of bis(dimethylglyoximate)nickel(II) when analyzed by reaction below. Find the weight percent of Ni in the unknown. OH Ni* + 2 + 2H* OH DMG Bis(dimethylglyoximate)nickel(II) FM 288.91 FM 58.69 FM 116.12

A 1.000-g sample of unknown gave 2.500 g of bis(dimethylglyoximate)nickel(II) when analyzed by reaction below. Find the weight percent of Ni in the unknown. OH Ni* + 2 + 2H* OH DMG Bis(dimethylglyoximate)nickel(II) FM 288.91 FM 58.69 FM 116.12

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter20: Applications Of Oxidation/reduction Titrations

Section: Chapter Questions

Problem 20.27QAP

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

2. A 1.000-g sample of unknown gave 2.500 g of bis(dimethylglyoximate)nickel(II) when
analyzed by reaction below. Find the weight percent of Ni in the unknown.
OH
Ni2+ + 2
+ 2H*
H....
Bis(dimethylglyoximate)nickel(II)
OH
DMG
FM 116.12
FM 58.69
FM 288.91
4ー
Z-

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