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A solution of ammonia and water contains 2.10×1025 water molecules and 7.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?

Respuesta :

jacob193

There are 6.33 × 10²⁵ hydrogen atoms in this solution in total.

Explanation

  • There are two hydrogen atoms in each water [tex]\text{H}_2\text{O}[/tex] molecule.
  • There are three hydrogen atoms in each ammonia [tex]\text{NH}_3[/tex] molecule.

2.10 × 10²⁵ water molecules and 7.10 × 10²⁴ ammonia molecules will contain

[tex]2 \times 2.10 \times 10^{25} + 3 \times 7.10 \times 10^{24} = 6.33 \times 10^{25}[/tex] hydrogen atoms in total.

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