Question

how find molecular mass​

Answer 1

Answer:

Determine the molecular formula of the molecule.

Use the periodic table to determine the atomic mass of each element in the molecule.

Multiply each element's atomic mass by the number of atoms of that element in the molecule.

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Answer 2

Explanation:

• Determine the molecular formulaof the molecule.

• Use the periodic table to determine the atomic mass of each element in the molecule.

• Multiply each element's atomic mass by the number of atoms of that element in the molecule. This number is represented by the subscript next to the element symbol in the molecular formula.

• Add these values together for each different atom in the molecule.

Eg. NH3

H = 1.00794

N = 14.0067

molecular mass = (1 x 14.0067) + (3 x 1.00794)

molecular mass = 14.0067 + 3.02382

molecular mass = 17.0305

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