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.

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 precipitatewhere else the other reactions which are listed above are not stable and it quickly decomposes into water and carbon dioxideMgCl2 is used in the medical field for skin-related issues

Because electrons have negligible mass, to account for the mass of the isotope, there must be 16 neutrons, 16 neutrally charged, massive, fundamental particles present in the sulfur nucleus. and thus finally, if we have the 32s2− ion, there are 18 electrons, 16 protons, and 16 neutrons.

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