darius7967
29.10.2020 •
Chemistry
Dmitri Mendeleevs method of organizing the Peridoic Table of Elements is still used today, but it was revised. he made a set of ___ ,of the . On each set of cards, he wrote the , it's and other known . He arranged the cards looking for a , but finally found it when he placed the Elements in order by Atomic Mass.
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Ответ:
4.
You see, 2 atoms of O in the CO₂ and 2 O in the 2 moles of H₂O
Explanation:
CH₄ + 2O₂ → CO₂ + 2H₂O