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The dead battery with a percentage composition of 70.0% Mn and 30.0% O has the empirical formula Mn₂O₃.
What is an empirical formula?
An empirical formula is the minimal relationship between the atoms in a chemical formula.
A dead alkaline battery is 70.0 % Mn and 30.0 % O. To find the empirical formula, we will divide each percentage by the molar mass of the element.
- Mn: 70.0/54.94 = 1.27
- O: 30.0/16.00 = 1.88
Then, we divide both numbers by the smallest one.
- Mn: 1.27/1.27 = 1
- O: 1.88/1.27 ≈ 1.5
Finally, we multiply both numbers by 2 so that they are whole numbers.
- Mn: 1 × 2 = 2
- O: 1.5 × 2 = 3
The empirical formula of the compound is Mn₂O₃.
The dead battery with a percentage composition of 70.0% Mn and 30.0% O has the empirical formula Mn₂O₃.
Learn more about empirical formula here: https://brainly.com/question/1603500
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