Answer:
0.1
Explanation:
Using Henderson-Hasselbalch equation
pH = pKa + log ( base / acid )
pH= 9.0 , pKa = 10.0
9.0 = 10 + log ( base / acid )
9 - 10 = log ( base / acid )
10⁻¹ = ( base / acid )
( base / acid ) = 0.1
Answer:
d.
Explanation:
It is a force that occurs when surfaces touch each other.
The melting point would decrease
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