3 years ago

Calculate the OH for a solution that is pH 6.47

1 answer:

8 0

PH is the negative logarithm of concentration of H+. But there is a relationship between pH and pOH.

pH + pOH = 14
pOH = 14 - pH = 14 - 6.47 = 7.53

Similarly, pOH is the negative logarithm of the concentration of OH-

pOH = -log(OH-)
7.53 = -log(OH-)
OH- = 2.95 x 10^-6

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Which characteristic of a strong acid

olga nikolaevna [1]

Answer:

Strong acid breaks up into ions

Explanation:

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2 years ago

b)Elemental boron (as a gas) is produced in one industrial process by heating diboron trioxide with magnesium metal, also produc

dlinn [17]

<u>Answer:</u> The unbalanced chemical equation is written below.

<u>Explanation:</u>

Unbalanced chemical equation does not follow law of conservation of mass.

In an unbalanced chemical equation, total number of individual atoms on the reactant side will not be equal to the total number of individual atoms on the product side.

The chemical equation for the reaction of diboron trioxide and magnesium metal follows:

$B_2O_3(s)+Mg(s)\rightarrow B(g)+MgO(s)$