When 0.500 g of vitamin k is dissolved in 10.0 g of camphor (kf = 40.0°c/m), the freezing point of the solution is 4.43°c lower than that of pure camphor. assuming vitamin k is a nonelectrolyte in camphor, calculate its molar mass. 55.4 g/mol 451 g/mol 0.451 g/mol 3.54 × 104 g/mol?

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.