Calculate the number of millimoles contained in 500mg of feso4•c2h4(nh3)2so4.4h20 calculate the number of grams of bacro4 that would have to be dissolved and diluted to 100ml to prepare a 0.200m solution.

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

What is the formula that this ionic compounds could form sr2+p3-o2-

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.