Animals, plants, Humans
Hope this can help you!
Hey there!
pH = - log [ H⁺ ] = 3.52
[ H⁺ ] = 10^-pH
[ H⁺] = 10^ ( -3.52 )
[H⁺] = 3.02*10⁻⁴ M
[HA] =0.175 M
Therefore:
Ka = [ H⁺]* [A⁻] / [ HA]
Ka = (3.02*10⁻⁴)² / 0.175
Ka = 9.1204*10⁻⁸ / 0.175
Ka = 5.2*10⁻⁷
Hope that helps!
Answer:
Characteristic of a substance that Cannot be observed without altering the identity of the substance.
Explanation:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points.
Answer:
The answer of this question is molecule
The correct answer is B. Low chemical reactivity
