As a chemistry expert, I'm here to help you understand the concept of empirical formulas and how they apply to compounds like glucose, which has a molecular formula of C6H12O6. An empirical formula is a representation of a compound in terms of the simplest whole number ratio of atoms of each element present in the compound. It's a way to simplify the molecular formula to its most basic form. To determine the empirical formula of a compound, you follow these steps: 1. Identify the Elements: List all the different elements that make up the compound. 2. Count the Atoms: Count the number of atoms of each element in the molecular formula. 3. Simplify the Ratios: Divide the number of atoms of each element by the smallest number of atoms to get the simplest whole number ratio. 4. Express the Ratios: Write the empirical formula using the simplest whole number ratio. Let's apply these steps to glucose, C6H12O6: 1. Identify the Elements: Glucose is composed of carbon (C), hydrogen (H), and oxygen (O). 2. Count the Atoms: The molecular formula C6H12O6 tells us that there are 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. 3. Simplify the Ratios: To find the simplest whole number ratio, we look for the greatest common divisor (GCD) for the numbers of atoms. In this case, the GCD for 6, 12, and 6 is 6. 4. Divide by the GCD: Dividing the number of each type of atom by the GCD (6), we get: - Carbon: 6 ÷ 6 = 1 - Hydrogen: 12 ÷ 6 = 2 - Oxygen: 6 ÷ 6 = 1 5. Express the Ratios: The empirical formula of glucose is CH2O, which represents one carbon atom, two hydrogen atoms, and one oxygen atom. It's important to note that the empirical formula does not provide the actual molecular structure or the size of the molecule. It simply gives the ratio of atoms in the compound. The molecular formula, on the other hand, provides the exact number of atoms and their arrangement in a molecule. Empirical formulas are particularly useful when dealing with organic compounds, where the molecular formula can often be a multiple of the empirical formula. For instance, if you have a compound with a molecular formula that is a multiple of CH2O, it's likely an oxygenated hydrocarbon, possibly a carbohydrate or an ester. Now, let's move on to the translation of the explanation into Chinese. read more >>

that can be reduced (ex: formaldeyhyde,CH2O). They are different in any case where the molecular formula may be reduced to a smaller whole-number ratio of elements (ex: acetic acid, C2H4O2 has the same empirical formula as formaldehyde, CH2O). 5. The molecular formula for glucose is C6H12O6.read more >>