In an aqueous solution of sodium carbonate, Na2CO3, the following equillibrium o

ID: 830574 • Letter: I

Question

In an aqueous solution of sodium carbonate, Na2CO3, the following equillibrium occurs

CO32-(aq) + H2O(l) (ARROWs) HCO3(aq)- + OH-(aq)

A. How would the addition of solid sodium bicarbonate, NaHCO3, affect the equilibrium? Briefly Explains your answer

B. If a small volume of HCL solution were added, how would the equilibrium be changed? Briefly explain your answer

If a saturated solution os sodium nitrate, NaNO3, is prepared, the following equilibrium exists:

NaNO3(s) (arrows) Na+(aq) + NO3- (aq)

A. If nitrict acid is added to the saturated solution, what will happen to the equilibrium? Briefly explain your answer

B. The dissolution of NaNO3 is endothermic. What change in temperature conditions would cause more NaNO3(s) to dissolve? Briefly explain your answer

B. As dissolution is endothermic, heating will take raction forward ie more NaNO3 will dissolve to take uo the heat.

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