31-05-2021
Chemistry

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How many hydrogen atoms are in 709 grams of water? Answer in units of atoms.

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31-05-2021

Answer:

26 Hydrogen atoms

Explanation:

H2O

Each hydrogen atom: 2+16 = 18g

Hence,

1 atom -> 18g

x atoms -> 709g

709/18 = 39 atoms

Therefore, 39 atoms give 709g

Hence, 26 Hydrogen atoms are used

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