1. Molarity is to moles of solute over liters of solution as molality

Question

is to
A. molar concentration over molal concentration.
B. moles of solute over kilograms of solvent.
C. molal concentration over molar concentration.
D. moles of solute over moles of solvent.

2. In describing an equilibrium reaction involving hydrogen gas, iodine gas, and hydrogen
iodide gas, all of the statements about equation Q = [HI]2 � [H2] [I2] are true except for
which one?
A. Any solids are omitted from equilibrium expressions.
B. The brackets refer to “concentration of . . . ”
C. Coefficients from the original balanced equation (in this case, 2 HI) become exponents.
D. The products go to the denominator, and the reactants go to the numerator

Answer 1

What are your responses and why or explain exactly what you don't understand. For #1, the definition of M is moles/L soln and for m is it moles/kg solvent.