Answer:go read ur book and u will find it!!
Explanation:
protons, neutrons, and electrons.
This answer is 24 because 2.17 x 10 -8 is 24 so that would be your answer
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The reduction in particle size results in an increased rate of solution. It occur because is harder for a a solvent to surround bigger molecules.
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Answer:
0.9
Explanation:
The pka represents the force by which the molecules need to dissociate for the acids ,
Hence , lower the pka stronger will be the acid and that therefore will dissociate completely and vice versa , for a weak acid higher the pka .
And in case of a base , it will be completely reversed , lower pKa , weaker base ,
and higher pKa , stronger base .
From the data of the question ,
0.9 is the lowest value of the pKa , hence , weakest base .