2. How many moles of Li2S are in 25.5 grams of Li2S? 3. Convert 10.5 moles Na2O to particles Na2O.
4. How many grams of KNO2 are there in 1.25 x 102 particles of KNO;?
5. How many particles are in 555 grams of NO2?
6. How many moles of magnesium is 7.01 x 10^24 atoms of magnesium?
7. How many moles are there in 450 grams of glucose, C6H1206?
8. How many grams are 1.20 x 10^25 atoms of Magnesium oxide?
9. How many atoms are in 0.750 moles of zinc?