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Calculate the Number of Gram Atoms in 4.6 Grams of Sodium (Na = 23) - Chemistry

Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)

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Solution

Given:

Mass of sodium = 4.6g

Atomic mass of Na = 23

Number of gram atoms =?

Number of gram-atoms of Na = `"Mass of Na"/"Atomic Mass of Na"`

= `"4.6g"/"23g"` = 0.2g molecules of sodium

Concept: Relation Between Atomic Number for Light Elements (Proton Number) and Atomic Mass for Light Elements
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