A mixture of 1.374g of H2 and 70.31g of Br2 is heated in a 2.00L vessel at 700K and these substances react according to
H2(g) + Br2(g)----------- 2HBr(g)
at equilibrium the vessel is found to contain 0.566g of H2
calculate the equilibrium concentrations of H2 and Br2 and HBr?
calculate Kc