In this video well learn to convert grams of Ca (Calcium) to moles and then convert the moles of Ca to particles (atoms). The technique used can be applied to any gram to mole, mole to atoms conversion. For our practice problem we’ll convert 73.25 grams to moles (and then to atoms).

First, we’ll find the atomic mass of Ca from the Periodic Table. After that we’ll use the mole map (https://www.breslyn.org/chemistry/stoich/Printable-Mole-Map.php) to find the moles in 73.25 grams of Calcium.

For more help with moles to grams conversions and more:

• More Moles to Grams Practice: https://youtu.be/aIv5nr8ZNyw
• Molar Mass in Three Easy Steps: https://youtu.be/o3MMBO8WxjY
• Understanding the Mole: https://youtu.be/DyLktMPTuHY
• Moles – Gram Conversions: https://youtu.be/aIv5nr8ZNyw
• How to Balance Chemical Equations: https://youtu.be/zmdxMlb88Fs
• Mole Ratio: https://youtu.be/i71BMVlrMiw
• Reaction Stoichiometry: https://youtu.be/rrTqOsZPpaU

Converting between moles and grams is the cornerstone of being successful in stoichiometry, the study of chemical quantities. Take the time to learn mole conversions and you will find chemistry is much easier.

My chemistry website: http://www.Breslyn.org/stoich
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Mass of Ca in 24.5 g sample of calcium carbonate

learn how to determine the mass of an element in a sample

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