# Are atomic mass, formula mass, and molar mass the same thing?

Formula mass and molar mass are the same. Atomic mass refers to atomic particles.

The mass associated with one mole of a formula is commonly referred to as the "formula mass"; that is, Avogadro's number of that formula. Molar mass is the same thing: Avogadro's number of whatever substance you have. Achieving success in Chemistry requires the ability to calculate equivalent masses of compounds.

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The terms "atomic mass," "formula mass," and "molar mass" are not synonymous. Atomic mass is the mass of one atom of an element; formula mass is the total of all the atoms' atomic masses in a unit of chemical formula; and molar mass is the mass of one mole of a substance, which is determined by adding up all the atoms' atomic masses and expressing the result in grams per mole.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- Why is there an atomic mass unit?
- The atomic mass of potassium is 39.1. What is the mass of #6.02 * 10^23# atoms of potassium?
- About how many elements form all substances?
- At what temperature does water boil and freeze in Kelvin?
- An atom has 35 protons, 38 neutrons, and 35 electrons. What is the charge of the atom's nucleus?

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