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2.7×1024 atoms

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βˆ™ 13y ago
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βˆ™ 5mo ago

There are approximately 2.72 x 10^24 lithium (Li) atoms in 4.5 moles of lithium. This is calculated by using Avogadro's number, which is 6.022 x 10^23 atoms/mol.

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βˆ™ 12y ago

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Q: Number of Li atoms in 4.5 moles of Li?
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How many atoms are in 3.00 moles of Li?

There are 1.81 x 10^24 atoms in 3.00 moles of lithium (Li). This is calculated by multiplying Avogadro's number (6.022 x 10^23 atoms/mol) by the number of moles.


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To find the number of moles of Li atoms in 10.56g of Li, you need to divide the given mass by the molar mass of Li (6.94 g/mol). 10.56g / 6.94 g/mol = 1.52 moles of Li atoms.


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85 moles Li x 6.02x10^23 atoms/mole Li = 5.17x10^25 atoms of Li


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To determine the number of Li atoms in 97.9 g of Li, you first need to calculate the number of moles of Li using the molar mass of Li (6.94 g/mol). Then, you can use Avogadro's number (6.022 x 10^23 atoms/mol) to convert moles of Li to atoms.


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To determine the number of atoms in 12.7 grams of lithium, you need to first calculate the number of moles using the molar mass of lithium (6.94 g/mol). Then, use Avogadro's number (6.022 x 10^23 atoms/mol) to convert from moles to atoms.


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For this problem, the atomic mass is not required. Take the mass in moles and multiply it by Avogadro's constant, 6.02 × 1023. Divide by one mole for the units to cancel.2.5 moles H2 × (6.02 × 1023 atoms) = 1.51 × 1024 atoms


How many atoms are in 55.2 grams Li?

To find the number of atoms in 55.2 grams of lithium (Li), you need to first determine the molar mass of lithium, which is approximately 6.94 g/mol. Then, use this value to convert the grams of lithium to moles. Finally, use Avogadro's number (6.022 x 10^23 atoms/mol) to calculate the number of atoms in 55.2 grams of lithium.


What is the number of moles of 27.6 g of lithium (li)?

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How many atoms are present in 27.0 g Li?

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