What is the mass in grams of 5.40 moles of lithium? what is the mass in grams of 5.40 moles of lithium? 37.5 1.29 6.94 3.25 × 1024 none of the above?

37.5 g

Explanation:

First you should kwow the molar mass of the lithium, so you can use your periodic table.

Molar mass of lithium =

Then you should relate the molar mass of the lithium with the quantity of moles the problem gives you:

37.48 g of lithium

Rounding the answer

37.5 g of lithium

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