Cobalt (II) Acetate Reactions and Calculations

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Questions and Answers

What is the coefficient for lithium hydroxide (LiOH) in the balanced chemical equation for the reaction between cobalt(II) acetate and lithium hydroxide?

4
3
2 (correct)
1

The reaction between cobalt(II) acetate and lithium hydroxide is a single replacement reaction.

False (B)

What is the molar mass of cobalt(II) acetate, Co(CH3COO)2?

177.03 g/mol

The reaction between cobalt(II) acetate and lithium hydroxide produces ______ and lithium acetate.

<p>cobalt(II) hydroxide</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Decomposition = A reaction where a single reactant breaks down into two or more products Double Replacement = A reaction where the cations and anions of two reactants switch places Spontaneous Chemical Reaction = A reaction that occurs without external energy input Electron Transfer = A process where electrons are transferred from one atom to another Oxidation = The loss of electrons Reduction = The gain of electrons</p> Signup and view all the answers

Flashcards

Balanced Chemical Equation

Co(CH3COO)2(s) + 2LiOH(aq) → Co(OH)2(s) + 2LiCH3COO(aq) describes the substances and their quantities.

Reaction Type

A chemical process where two compounds exchange ions or bonds, resulting in new compounds; here, it's Double Replacement.

Moles of Cobalt(II) Acetate

Calculated by dividing mass by molar mass: 1.580 g / 177.03 g/mol = 0.008925 mol.

Decomposition Reaction

A type of chemical reaction where one compound breaks down into two or more simpler products.

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Electron Transfer in Reactions

Involves one atom losing electrons and another gaining, key in spontaneous reactions.

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Study Notes

Cobalt (II) Acetate Reaction

Cobalt (II) acetate is added to a beaker, dissolved in water, and reacted with lithium hydroxide
The balanced chemical equation is: Co(CH3COO)2(s) + 2LiOH(aq) → Co(OH)2(s) + 2LiCH3COO(aq)
The reaction type is double replacement