What is the mass of a sample of NH3 containing 3.80 × 1024 molecules of NH3? Please help me! 74.8 grams
89.4 grams
107 grams

Which orbitals form a pi bond? a.the s orbital and three p orbitals b.the s orbital and two p orbitals c.overlapping p orbitals d.overlapping hybrid orbitals

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

One does not belong why? ice, gold ,wood ,diamond and table salt