1 answer

Consider these compounds: A. MgF2 B. BaF2 C. AgI D. BaCO3 Complete the following statements by...

Question:

Consider these compounds: A. MgF2 B. BaF2 C. AgI D. BaCO3

Complete the following statements by entering the letter corresponding to the correct compound. Without doing any calculations it is possible to determine that cobalt(II) carbonate is more soluble than ____, and cobalt(II) carbonate is less soluble than ____. It is not possible to determine whether cobalt(II) carbonate is more or less soluble than ____ by simply comparing Ksp values.


Answers

1)

Without doing any calculations it is possible to determine that cobalt(II) carbonate is more soluble than _C_, and cobalt(II) carbonate is less soluble than   D. It is not possible to determine whether cobalt(II) carbonate is more or less soluble than AB by simply comparing Ksp values.

Explanation :

MgF2 and BaF2 : Ksp = 4s^3

CoCO3 ; Ksp = s^2

so MgF2 and BaF2 not possible to determine by simply comparing Ksp values.

CoCO3 : Ksp = 8.0 x 10^-13

BaCO3 : Ksp = 8.1 x 10^-9

AgI : Ksp = 1.5 x 10^-16

so CoCO3 is more soluble than AgI and less soluble than BaCO3

.

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