In is a lot easier because it uses 10s.
Answer:
A. Potential energy is stored energy
Explanation:
We have to get the formula of the complex formed between Fe³⁺ and ethylenediamine.
The formula of the complex is: [Fe(<em>en</em>)₃]³⁺, where, <em>en</em> is abbreviation of ethylenediamine.
Ethylenediamine (<em>en</em>) is a bidentate ligand as it contains two donating sites (-NH₂ groups). Three ethylenediamine co-ordinate to central metal ion, Fe³⁺ and forms [Fe(<em>en</em>)₃]³⁺ with a co-ordination number of six.
Answer:
book on a table
Explanation:
potential energy is stored energy
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The volume of NaOH needed for the titration is calculated by equating the number of moles of KHP and NAOH.
(1) number of moles of KHP:
n = mass of KHP / molar mass of KHP
Substituting,
n = 0.061 g / (204.22 g/mol) = 2.987 x 10⁻⁴ moles KHP
(2) number of moles of NaOH
n = (volume NaOH in L)(molarity of NaOH)
n = V x 0.01
Equating,
0.01V = 2.987 x 10⁻⁴
The value of V from the equation is 0.0299L of NaOH.
Converting the value to mL will give us the answer of 29.87 mL.