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3 years ago

Show how water can serve as a base by showing the chemical equation of water reacting with hydrochloric acid. g

1 answer:

8 0

So, water reacts with hydrochloric acid in the following formula

H2O + HCl —-> H3O+ + Cl-

We can visualize that when the two react, the hydrogen ions is taken on by the water molecule. This satisfies one of the definitions for a base

Bronsted acids = anything that donates a proton (H+ ion)

Bronsted bases = anything that accepts a proton (H+ ion)

So, as we can see, that is exactly what is happening. The Cl- and H+ detach and then the water takes on that extra H+.

H3O+ is what we call a hydronium ion

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The average mass of iron to be is 54.76 amu.

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Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$

Mass of Fe-54 isotope = 53.9396 amu

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Average atomic mass of iron :

$=53.9396 amu\times 0.05845+55.9349 amu\times 0.91754 +56.9354 amu\times 0.002119 + 57.9333 amu\times 0.00282=54.76 amu$

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