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.

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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

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