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3.7 Summary of Inorganic Nomenclature

- The formula mass is the sum of all the atoms in a compound's chemical formula.

- The formula mass of carbon dioxide is: x Multiply by 2 because it has two oxygen atoms.

- Multiply by 2 because the formula has two sodium atoms.

- C6H12O6 has a formula mass.

- Add the atomic mass of each atom to the chemical formula to find the formula mass.

- The element's mass in grams of one mole of its atoms is numerically equivalent to its atomic mass.
- The number of atoms in a given mass of the element can be determined using the molar mass and Avogadro's number.
- The same concept can be applied to compounds.

- The mass in grams of 1 mol of its molecule is equivalent to the formula mass.
- The formula mass of CO2 is 44.01.
- The molar mass of CO2 is 44.01 g/mol.
- The number of CO2 molecule in a sample of dry ice with a mass of 10.8 g is similar to the number of atoms in a sample of copper.

- The mass of the compounds can be used to convert the amount in moles.
- Avogadro's number is used to convert to number of molecules.

- We follow the conceptual plan, beginning with 10.8 g CO2, converting to moles, and then to Molecules.

- acetylsalicylic acid is found in an aspirin tablet.

- The units of the answer are correct.
- Since you have less than 1 molar mass of acetylsalicylic acid, the magnitude is smaller.

- You can find the number of ibuprofen molecules by looking at the tablets.

- Determine the mass of the sample of water.

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