Explanation of how to find the molar mass of FeSO4 • 7H2O: Iron (II) sulfate heptahydrate.

A few things to consider when finding the molar mass for FeSO4 • 7H2O:

- make sure you have the correct chemical formula.
- always include the units for molecular weight (grams/mole).
- make sure you do the math right - follow the order of operations.
Watch: Molar Mass in Three Easy Steps: https://youtu.be/o3MMBO8WxjY

Note that molecular weight, molar mass, and gram formula mass are essentially the same concept.

Periodic Table Image from: https://commons.wikimedia.org/wiki/File:Periodic-table.jpg

Mole & Stoichiometry Playlist: https://www.youtube.com/playlist?list=PLZR1BGWBaZ1zrlxkYJDNW_HWdUib0Q8Pa

Finding the Molar Mass (sometimes called Molecular Weight although the units are different) of a compound is a essential skill for the chemistry topic of stoichiometry and the first step in converting from moles to grams (or grams to moles).

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