For the aqueous ; [Ni(CN)₁]²¯¯ complex K, = 2.00 × 10³¹ at 25 °C. Suppose equal volumes of 0.0086M Ni (NO3), solution and 0.38M KCN solution are mixed. Calculate the equilibrium molarity of aqueous 2+ Ni²+ Round your answer to 2 significant digits. м x10 X ion.

For the aqueous ; [Ni(CN)₁]²¯¯ complex K, = 2.00 × 10³¹ at 25 °C. Suppose equal volumes of 0.0086M Ni (NO3), solution and 0.38M KCN solution are mixed. Calculate the equilibrium molarity of aqueous 2+ Ni²+ Round your answer to 2 significant digits. м x10 X ion.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter14: Chemical Equilibrium

Section: Chapter Questions

Problem 14.98QE

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Concept explainers

Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.

Question

For the
31
aqueous [Ni (CN)4] complex K, = 2.00 × 10³¹ at 25 °C.
.2+
Suppose equal volumes of 0.0086M Ni (NO3)2 solution and 0.38M KCN solution are mixed. Calculate the equilibrium molarity of aqueous Ni**ion.
Round your answer to 2 significant digits.
M
☐x
x10
X
Ś

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