How many grams of Zinc chloride, ZnCl2 should you weigh out on the scale in order to prepare 300 mL of a 2 M solution?

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

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.