What is the molarity of a salt solution that is made from 31.0 grams of ca3(po4)2 placed in a volumetric flask and filled to the
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Answer:
Explanation: The given chemical reaction is:
Equilibrium constant (Kc) in general is written as:
Note:- Coefficients are written as their powers
So, the Kc expression for the above reaction will be:
Equilibrium moles are given for all of them. Let's divide the moles by given liters to get the concentrations.
= 0.040 M
= 0.0658 M
= 0.0217 M
Plug in the values in the equilibrium expression to calculate Kc.