1. Given the following balanced chemical equation: 2AIN +
3F2 -->
2AlF3
+
N2
a. How many grams of AIN are needed to react with 1.23 moles of F2?
b. How many moles of N2 are made from 0.346 moles of F2?
c. How many moles of AlF3 are produced from 11.8 g of AIN?
d. How many grams of AlF3 are formed from 8.84 g of AIN?

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.