Yea this makes me happy I love talking about bonds Here is a explanation since there is no question.
In the ionic bond that creates sodium fluoride, for example, the element sodium loses one of its 11 electrons to balance the 9 electrons in Fluoride because the ionization energy of sodium (the charge required to lose an electron) is low.
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The complete reaction of the problem, for better illustration, is
FeO(s) + CO(g) <--> Fe(s) + CO2(g)
The double-tailed arrow signifies that the reaction is in a dynamic chemical equilibrium. When the system is in equilibrium, the forward and the backward reaction rates have an equal ratio of Kp = 0.403 at 1000°C. The formula for Kp is
Kp = [partial pressure of products]/[partial pressure of reactants]
So, first, let's find the partial pressure of the compounds in the reaction.
FeO(s) + CO(g) <--> Fe(s) + CO2(g)
Initial x 1.58 0 0
Change -1.58 -1.58 +1.58 +1.58
------------------------------------------------------------------
Equilbrium x-1.58 0 1.58 1.58
Kp = [(1.58)(1.58)]/[(x-1.58)] = 0.403
x = 7.77 atm (this is the amount of excess FeO)
Therefore, the partial pressure of CO2 at equilibrium is 1.58 atm. There is no more CO because it has been consumed due to excess FeO.
Explanation:
The given data is as follows.
X = 12 g, Volume of water = 2 L,
Hence, solubility will be calculated as follows.
= 6 g/L
As we know that 1 L contains 1000 ml. Hence, the calculated solubility will be converted into g/ml as follows.
Solubility = 
= 0.006 g/ml
Thus, we can conclude that the solubility of compound X in 
is 0.006 g/ml.
redox- noun- a process in which one substance or molecule is reduced and another oxidized; oxidation and reduction considered together as complimentary processes.
example- "redox reactions involve electron transfer"
