Question

calculate the number of moles present in 120g of magnesium



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Answer 1

Answer:

Mass of Mg (Magnesium) = 120g.

We know that molar mass is the atomic mass of an element in grams.

Thus,molar mass of Mg is 24g.

Number of moles:-

Number of atoms:-

= 3.011×10²⁴ atoms.

Thus, 3. 011×10²⁴atoms are there in 120g Mg.

Step-by-step explanation:

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Answer 2

Answer:

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