Which has the most number of moles? a. 03.01x10^21 magnesium sulfide molecules

b. 6.02x10^25 sodium oxide molecules

c. 6.02x10^23 ozone molecules

d. 6.02x10^23 lithium atoms

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Draw metallic bonding if two copper

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5