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5) 3Na2SO4

# of molecules:

# of elements:

Name of element:

# of atoms:

Total # of atoms:

The #3 is a

(coefficient or subscript)

HELPPPP

Sagot :

Mohsin257idn

Answer:

3Na2SO4

Explanation:

3Na2SO4

# of molecules: 3 moles of Na2SO4 or 3 × 6.22 × 10^23 molecules.

# of elements: 3 elements l

Name of element: = Sodium, S = Sulphur, O = Oxygen

# of atoms: Na = 6 atoms, S= 3, O= 12

Total # of atoms: 21

The #3 is a Coefficient.

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