Answer:
I can't draw but you could draw 2 electrons in the first orbit and 3 electrons in the second orbit.
Explanation:
0.000001ppm
Explanation:
Mass of fluoride = 500g
Volume of water = 500000liters
Unknown:
Parts per million of fluoride = ?
Solution:
The parts per million is the amount of solute in milligram dissolved in a liter of water or milligram per kilogram of solvent
It is a unit used to express very small concentration.
we need to convert g - mg
500g = 500 x 10⁻³mg = 0.5mg
Concentration in parts per million =
Concentration in parts per million = = 0.000001ppm
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Parts per million brainly.com/question/2854033
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Answer:
1. 4
2. 2
3. 3
4. 1
Explanation: just did it on edge 2021
Answer:
A) The solubility of NH3 increases, and the
solubility of KCl increases.
Explanation: