Answer:
A mixture is a physical combination of substances thus it only requires physical processes to separate.
D. a compound can only be separated into its components by chemical means
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You have OH- conc = </span>2.3 ✕ 10−6 m
From the formula, you can observe the ratio of Cu2+ to OH- is 4 : 6 = 2:3
So, for 2.3 ✕ 10−6 m OH-
[Cu2+] =