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16-04-2020
Chemistry

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Which of the following pairs of aqueous solutions will form a precipitate when mixed? Which of the following pairs of aqueous solutions will form a precipitate when mixed? HCl + LiOH MgCl2 + KOH K2CO3 + HNO3 Li2S + HCl All of these solution pairs will produce a precipitate.

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bhuvna789456 bhuvna789456

23-04-2020

MgCl2 + KOH will yield a precipitate.

Explanation:

The pairs of aqueous solutions of which are listed above and the pair MgCl2 + KOH will yield a precipitate.
Based on the solubility chart we can reason that Mg(OH)is examined as "insoluble", so it will form a precipitate
where else the other reactions which are listed above are not stable and it quickly decomposes into water and carbon dioxide
MgCl2 is used in the medical field for skin-related issues

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