QQuestionChemistry
QuestionChemistry
What is the charge of CH₃COO, also known as the acetate ion?
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Step 1:: Recall that the charge of an ion is determined by the number of electrons lost or gained during ionization.
In this case, we need to find the charge of the acetate ion (CH₃COO⁻).
Step 2:: Acetic acid (CH₃COOH) loses a hydrogen ion (H⁺) to form the acetate ion (CH₃COO⁻).
This means that the acetate ion has one more electron than the acetic acid molecule.
Step 3:: The charge of an ion is given by the formula:
charge = (total number of electrons) - (total number of protons) For a neutral acetic acid molecule, the number of electrons is equal to the number of protons, which is 6 (one for each atom in CH₃COOH).
Step 4:: Since the acetate ion has one more electron than the acetic acid molecule, the total number of electrons in the acetate ion is 7.
The number of protons remains the same at 6.
Step 5:: Using the formula from Step 3, we can calculate the charge of the acetate ion:
charge = (total number of electrons) - (total number of protons) charge = 7 - 6 charge = 1
Final Answer
The charge of the acetate ion (CH₃COO⁻) is - 1.
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