KAPEC GEOTASK?
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  • The solved tasks turn into coordinates
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  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
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238.2. Substances with constant composition. Chemical formula.

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Given substance NaH. How big is hydrogen weight mass in molecule? (answer must be rounded till solid percent)
%
Grade:
8
Subject
Chemistry
Theme
Insight in substances microstructure.
Subtheme
Substance consistent invariables. Chemical formulas.

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