Determine the empirical formula for each substance. A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.6% Mn and 30.4% O. 2 A compound is 38.77% Cl and 61.23% O. Magnetic iron oxide is 72.4% iron and 27.6% oxygen.

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3. Magnetic iron oxide is 72.4% iron and 27.6% oxygen.
PRACTICE
Determine the empirical formula for each substance.
A dead alkaline battery is found to contain a compound of Mn and O.
Its analysis gives 69.6% Mn and 30.4% O.
A compound is 38.77% Cl and 61.23% O.
3 Magnetic iron oxide is 72.4% iron and 27.6% oxygen.
4 A liquid compound is 18.0% C, 2.26% H, and 79.7% Cl.
The Mole and Ch-
Transcribed Image Text:PRACTICE Determine the empirical formula for each substance. A dead alkaline battery is found to contain a compound of Mn and O. Its analysis gives 69.6% Mn and 30.4% O. A compound is 38.77% Cl and 61.23% O. 3 Magnetic iron oxide is 72.4% iron and 27.6% oxygen. 4 A liquid compound is 18.0% C, 2.26% H, and 79.7% Cl. The Mole and Ch-
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