Respuesta :

Answer:

To find out the number of atoms: MULTIPLY all the SUBSCRIPTS in the molecule by the COEFFICIENT

Explanation:

Step 1: Write the chemical formula

Step 2: List all the atoms

Step 3: Count the number of atoms of each element in 1 molecule.

Step 4: Multiply the number of atoms of each by the coefficient.

Step 5: Make sure your answer makes sense.