How many moles of lithium are in 25 grams of lithium

Answer: 8.3 moles

Explanation:

Number of moles of lithium = ?

Mass in grams = 25 grams

Molar mass of lithium = 3g/mol

Recall that:

Number of moles = (Mass in grams / Molar mass)

Number of moles = 25 grams / 3g/mol

= 8.3 moles

Thus, there are 8.3 moles of lithium in 25 grams of lithium