The mass of 4.5 moles of sodium fluoride is 189g
Answer:
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These Are All examples Of A physical property of a substance!
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The answer is a. rubidium, because is located in the first group as well.
Explanation:
The specie produced when a strong acid is dissociated in water along with the proton is the conjugate base of that acid.
Consider a strong acid such as HCl which donates the proton so readily as it is a strong base and there is no tendency for conjugate base, which is
to re accept that proton.
A strong base is the one which accepts proton and holds it firmly. Thus, the strong acid has weak conjugate base.