462032
Descrição
FlashCards por Nina hallwood, atualizado more than 1 year ago
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Criado por Nina hallwood
quase 11 anos atrás
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| Questão | Responda |
| What is the empirical formulae? | The formula that represents the simplest ratio of the atoms of each element present in a compound. |
| What is the empirical formulae of Carbon Dioxide, and what does it tell us? | For every one carbon atom, their is 2 oxygen atoms. |
| Step 1 for finding the empirical formula? | Find the masses of each of the elements present in a compound. |
| Step 2 finding the empirical formula? | Work out the number of moles of atoms of each element. |
| Number of moles = | Mass of element/ mass of 1 mol of element |
| Step 3 for for finding the empirical formula? | Convert the number of mols of each element into a whole number ratio. |
| What is the molecular formula? | It gives the actual number of atoms of each element in one molecule of the compound. |
| For example, if the molecular formula is C*2H*6 what is the molecular formula? | CH*3 |
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