Respuesta :
Answer:
18 molecules
Step-by-step explanation:
H and N are two molecules together and O4 has four molecules which bring to a total of 6. The 3 in front will be multiplied giving you a total of 18 molecules in this Chemistry equation.
Answer:
18
Step-by-step explanation:
Take the O4 That will make 6. Take the total of all 6 and multiply by 3 with equals 18