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How many atoms of Lithium are in 2.5 moles

1 Answer

5 votes

Answer:

1.50x10²⁴ atoms of Li are contained in 2.5 mol of it

Step-by-step explanation:

NA (Avogadro's number) is the number of particles that occupy 1 mol, of anything. Let's do a rule of three:

1 mol of Li has 6.02x10²³ atoms

2.5 moles of Li have ( 2.5 .NA) /1 =1.50x10²⁴

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