How many atoms are in 7.50 g of sodium chloride?

Name: How many atoms are in 7.50 g of sodium chloride?
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Quizplus · Accepted Answer

To find the number of atoms in 7.50 g of sodium chloride (NaCl), first calculate the number of moles of NaCl using its molar mass (58.44 g/mol). Then, multiply by Avogadro's number (6.022 * 10^23) to find the number of molecules, and since each molecule of NaCl contains two atoms (one Na and one Cl), multiply by 2. This results in approximately 7.73 * 10^22 atoms.

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