Solution :
Compound Ksp
FeS 
Ksp of 
and both compounds dissociate the same way. Hence is more soluble than 
is less soluble than 
It is not possible to determine CD - 
is more or less soluble than as though they have a different Ksp values their molecular dissociation is also different and they may have a close solubility values.
can be directly compared with PbS, 
100
1-s s 2s
Ksp = ![[A2+][B-]^2 = s \times (2s)^2 = 4s^3](https://tex.z-dn.net/?f=%5BA2%2B%5D%5BB-%5D%5E2%20%3D%20s%20%5Ctimes%20%282s%29%5E2%20%3D%204s%5E3)
Hence they can be directly compared by Ksp values, smaller the Ksp, smaller the solubility.
For Silver Chloride
1 0 0
1 - s s s
Ksp ![$=[A^{x+}][B^{x-}]=s \times s = s^2$](https://tex.z-dn.net/?f=%24%3D%5BA%5E%7Bx%2B%7D%5D%5BB%5E%7Bx-%7D%5D%3Ds%20%5Ctimes%20s%20%3D%20s%5E2%24)
Hence, they can be directly compared by Ksp values, smaller the Ksp, smaller the solubility.
Answer: 5.5
Explanation: Strontium titanate is both much denser (specific gravity 4.88 for natural, 5.13 for synthetic) and much softer (Mohs hardness 5.5 for synthetic, 6–6.5 for natural) than diamond.
Answer:
B
Explanation:
"I think my bike is making a scraping noise because the bearings are not lubricated."
