What amount (in grams) of dinitrogen monoxide, N2O(g) contains 3.40 x 1023 molecules?

How many atoms are there in 5.70 mol of mg

How many moles of al3+ ions are in 1.25 moles of al2o3

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —