How many moles of Al do you need to produce 89.5 grams of Cu? 2AI
+ 3Cu(NO3)2 →
3Cu + 2Al(NO3)3

Consider this initial-rate data at a certain temperature for the reaction described by

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use