Which equilibrium constant expression is correct for 2NaHCO3 (s) ⇌ Na2CO3 (s) + CO2 (g) + H2O(g)

[CO2][H2O]

1

[CO2][H2O]2

. [Na2CO3][CO2][H2O]

[NaHCO3]2

[Na2CO3][CO2][H2O]

[NaHCO3]

Ineed ! i have no clue how to do this problem.

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m