Directions Identify the reactants and product in the following reaction.
4A1+302 → 2A1203

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml