What is the change in the freezing point of water when 68.5 g of sucrose is
dissolved in 500.0 g of water?
k of water = -1.86°c/mol
molar mass sucrose = 342.30 g/mol
ivalue of sugar = 1
o a. 0.0186°c
o b. -0.215°c
o c. -0.744°c
o d. 0.254°c

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

Label a-f based on the table using c for concentrated and d for dilute

Will mark brainliest how many electrons can be held in the energy level n = 4?