Convert 1.05 x 1026 molecules Ni to number of moles.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

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

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol