Answer to Question #57687 in Chemistry for emma

Question

Hydrogen Bromide is formed by a reaction between hydrogen gas and bromine vapor.
Here is the equation, H2(g) + Br2(g) <==> 2HBr(g), with K(eq) = 3.5
Calculate the equilibrium concentration of all gases if 0.40 mol of H2(g) and 0.60 mol of Br2(g) are placed in a 4.0L container.