A student dissolves 0.75 mol NaCl in 3.55kg water. What is the molality of the resulting solution? A) 10.32 m
B) 0.211 m
C) 68.2 m
*please help

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Draw a line graph showing the relationship between temperature in kelvin as a function of kinetic energy.

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two