How many moles are in 9.40 grams Sodium nitrate?

Which feature do highland climates have that lower elevation areas do not?

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Why is permeable soil best for plants that need a lot of drainage?