sidney5312 sidney5312
  • 17-06-2018
  • Chemistry
contestada

If acid precipitation rain changes the ph of a pond from 7.0 to 5.0, the level of hydrogen ion has changed by a factor of ________. question 9 options: 0.01 4.0 100 13.0 2.0

Respuesta :

mkryukova19 mkryukova19
  • 17-06-2018
When pH=7, [H⁺] =10⁻⁷.
When pH=5, [H⁺]=10⁻⁵.

10⁻⁵/10⁻⁷ =10²=100
The level of hydrogen ions increased by factor 100.
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