For each of the salts below, match the salts that can be compared directly, using Ksp values, to estimate solubilities. a. Mg(OH)2
b. CaSO3
c. BaCrO4
d. CaS

1. copper (II) sulfide
2. zinc hydroxide

1 - Salts required  that can be compared directly, using Ksp values, to estimate solubilities for copper (II) sulfide are - (Option b) , (Option c) and (Option d)

2 - Salts  that can be compared directly, using Ksp values, to estimate solubilities for zinc hydroxide are - (Option a)

Explanation:

values can be used to compare the solubility of salts that produce ions in a 1:1 ratio.

Because the salts , and  have a 1:1 ion ratio, the solubilities of options b, c, and d can be compared to salt 1.

Values can be used to compare the solubility of salts that produce ions in a 1:2 or 2:1 ratio.

  2. dissociates into ions in ratio 1:2 .

Because the ions in the salt are in a 1:2 ratio, the solubility of salt 2 can be compared to that of salt 'a'.

Hence , Salt 1 is matched with options b , c , d.

              Salt 2 is matched with option a.

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

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