What is the mass of 6.02 x 1024 atoms of magnesium? [Mg = 24, Avogadro constant = 6.02 x 1023 atoms mol-1]
Question 1 Report
What is the mass of 6.02 x 1024 atoms of magnesium? [Mg = 24, Avogadro constant = 6.02 x 1023 atoms mol-1]
Answer Details
The molar mass of magnesium is 24 g mol-1 (as given). This means that the mass of one mole of magnesium atoms is 24 g. We are given the number of atoms of magnesium: 6.02 x 1024 atoms. To find the mass of these atoms, we need to convert the number of atoms to moles, and then multiply by the molar mass of magnesium. Number of moles of magnesium atoms = (6.02 x 1024 atoms) / (6.02 x 1023 atoms mol-1) = 10 mol Mass of 10 moles of magnesium atoms = 10 mol x 24 g mol-1 = 240 g Therefore, the mass of 6.02 x 1024 atoms of magnesium is 240g. Answer: 240g
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