How many molecules are in 3.9 moles of water?
a. 2.3 x 1024 molecules of water
b. 6.5 x10-24 molecules of water
c. 71 molecules of water
d. 22 molecules of water

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?