An acidic solution is 4 mM in each of the following metal ions: Zn2+, Mg2+, Co2+

Question

An acidic solution is 4 mM in each of the following metal ions: Zn2+, Mg2+, Co2+, Sn2+.
(a) Which of the metals would precipitate as their hydroxides at pH = 6.00? (Select all that apply. See the appendix.)
[] zinc
[] magnesium
[] cobalt
[] tin


(b) Which of the metals would precipitate as their hydroxides at pH = 8.00?
[] zinc
[] magnesium
[] cobalt
[] tin


(c) At what pH do the metal hydroxides begin to precipitate?
Zn(OH)2:
Mg(OH)2:
Co(OH)2:
Sn(OH)2:

If possible, a brief explanation because I don't even know where to begin this problem...

Explanation / Answer

a)Mg b)zinc c)Co(OH)2

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.