What is an empirical formula? If i hav 1.0 g each of two substances with the sam

Question

What is an empirical formula? If i hav 1.0 g each of two substances with the same empirical formula what can be said about those substances? The two unknowns are the same substance? They have the same number of molecules? Sam number if atoms? Same molar mass? What is an empirical formula? If i hav 1.0 g each of two substances with the same empirical formula what can be said about those substances? The two unknowns are the same substance? They have the same number of molecules? Sam number if atoms? Same molar mass?

Explanation / Answer

The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound. For example glucose C6H12O6 is the formula. This could also be written as (CH2O)6 which means, it has 6 units of CH2O. That small repetetive unit is called emirical formula of that particular compound

When two compounds with same empirical formula, still the compound might have different molecular formula because of the fact that the repeptetive untis could be different. When the molecular formula is different, no of molecules may be different and therefore, no of atoms and molar mass also will be different

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