The pH of an aqueous solution: a) is not affected by added OH
b) depends solely on the ionization of water.
c) is a function of hydrogen ion concentration (to a reasonable approximation)
d) must remain at 7

d) must remain at 7

Explanation:

The pH of the aqueous solution should be kept at 7 as it is considered to be a neutral pH chemical.

If the pH exceeds the value 7, it is considered alkaline, and without the pH decreases from the value 7, it is considered acidic.

That is why if this value varies, the qualities of the neutral pH will not be maintained.

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explanation:

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.