Answer:
B. a H+ ion is the answer dear.
Explanation:
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Answer:

Explanation:
From the question we are told that:
Chemical Reactions:
X=A⇌B,ΔG= 14.8 kJ/mol
Y=B⇌C,ΔG= -29.7 kJ/mol
Z=C⇌D,ΔG= 8.10 kJ/mol
Since
Hess Law
The law states that the total enthalpy change during the complete course of a chemical reaction is independent of the number of steps taken.
Therefore
Generally the equation for the Reaction is mathematically given by

Therefore the free energy, ΔG is



It depends on the Chemical the Substance has. The more Chemicals, the better the Substance gets when its mixed with another.
.50 M KCl because 5% is the same as .05, which makes the .50M more concentrated.