The fundamental unit used to measure mass is? ?

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

How much would the freezing point of water decrease if 4 mol of nacl were added to 1 kg of water (kf=1.86 degrees c/(mol/kg) for water and i=2 for nacl a- 7.44 degrees c b- 14.88 c 3.72 d 1.86