How many grams in 3.91 moles of sodium? – Show Work How many grams in 3.91 moles of sodium? – Show Work Add answer

Answer 1

1 mole of Na = 22.99 g (this is from the periodic table)

So, to find the mass of 3.91 moles, we multiply moles x grams/mole...

3.91 moles x 22.99 grams/mole = 89.93 grams = 90. grams (to 2 significant figures)