What is the mass % of ethanol in a 1.93 M solution of ethanol (MM = 46.07 g/mol) in water? The density of the solution is 0.925 g/mL.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159