Question
The molar mass of magnesium (Mg) is 24.30g/mol There are 6.02times 10^23 atoms in 1 mol. How many atoms are present in 48.60 g of Mg? 3.32times 10^-24atoms 1.96times 10^-21atoms 1.20times 10^24atoms 7.11times 10^26atoms
Answer
4.5
(278 Votes)
Layla
Veteran · Tutor for 10 years
Answer
###
atoms (Option C)
Explanation
## Step 1: Determine the moles of Mg in 48.60 g### Use the molar mass of Mg to calculate the moles. The formula is:
Substitute the given values:
## Step 2: Calculate the number of atoms in 2 moles of Mg### Use Avogadro's number, which tells us the number of atoms in one mole of any substance:
Substitute the values:
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