What is the mass in grams of 3.45 moles of N?

mass of 1 mole of N is 14g

so mass of 3.45 mole is

3.45 × 14 = 48.3 g

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

fe 55.85 g/mol and h2o 18.02 g/mol.