How many chlorine atoms are contained in a sample of chlorine that has a mass of...

Question

Question

How many chlorine atoms are contained in a sample of chlorine that has a mass of 779.90 amu?

Answer 1

Answer #1

Mass of 1 Cl atom is 35.45 amu

So,

Number of Cl atoms = total mass / Mass of 1 Cl atom

= 779.90 / 35.45

= 22

Answer: 22

Answer 2

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