Answer:
10↑-14
Explanation:
Answer: 1.0 × 10-14
Pure water, represented as
H2O --> [H+] + [OH -]
undergoes a reversible reaction in which both H+ and OH- are generated.
The equilibrium constant for this reaction, called the water dissociation constant, Kw, is 1.0 × 10-14 at 25 °C.
Oxygen
Silicon
Aluminium
Iron
Calcium
Oxygen=47 percent
Silicon=28 percent
Aluminium=8 percent
Iron=5 percent
Calcium=3.5 percent
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