2 Points Which intermolecular force would affect melting point the most?

O A. Dipole-dipole attractions

O B. Hydrogen bonding

O C. Nonpolar interactions

O D. Van der Waals forces

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present