Question 1
Assume that an aqueous solution of a cation, represented by shaded spheres, is allowed to mix with a solution of an anion, represented by unshaded spheres. Three possible outcomes are represented by boxes (a)-(c).
Which outcome corresponds to the mixing of potassium and sulfide ions shown in the following equation?
2 K+(aq) + S2-(aq) → ?
◦ box (a)
◦ box (b)
◦ box (c)
◦ None of these
Question 2
Assume that an aqueous solution of a cation, represented by shaded spheres, is allowed to mix with a solution of an anion, represented by unshaded spheres. Three possible outcomes are represented by boxes (a)-(c).
Which outcome corresponds to the combination of calcium and carbonate ions shown in the following equation?
Ca2+(aq) + CO32-(aq) → ?
◦ box (a)
◦ box (b)
◦ box (c)
◦ None of these
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![What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M?](https://biology-forums.com/gallery/43/medium_6_11_12_21_7_23_55.jpeg)
What is the pH of an aqueous solution if the [H+] = 0.000 000 075 M?
Which of the following is not a unit factor related to a 15.0% aqueous solution