Respuesta :
The empirical formula of the given substance is CH2O.
A molecular formula is the smallest integer ratio of the atoms of an element in a compound. Therefore, to find the empirical formula, first find the number of moles of each element and then find the molar ratio. Therefore, the mass of carbon is 2.64 g, the mass of hydrogen is 0.444 g, and the mass of oxygen is 3.52 g. So, with the help of this information and the product table in question, the molar mass of carbon is 12.1 g per molar mass of hydrogen is 1.8 g per molar mass of oxygen, i.e. 16 g per mole. Now, let's find the molar ratio of carbon, hydrogen, and oxygen. As we know, the number of Mohrs is equal to the given mass divided by the molar mass. From this we can find the molar ratio of carbon, hydrogen and oxygen, which is the molar ratio of carbon equal to the mass of carbon divided by the molar mass of carbon.
So solving gives 0.22, and similarly 0.44 for hydrogen. 0.22 for oxygen. Therefore, we can divide the above molar ratio by 0.22. Since this is the smallest number, it is the ratio of 0.22 divided by 0.22, the ratio of 0.44 divided by 0.22, and the ratio of 0.22 divided by 0.22. Therefore, this value equals 1. This value is equal to 1. That is, the molecular formula contains one carbon atom, two hydrogen atoms, and one oxygen atom.
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