Help me ASAP please

What is the molecular weight of copper

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion

What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.