UNA SAL POSEE UNA SOLUBILIDAD DE 18GR EN 60 ML DE AGUA, SI SE TIENE UNA MUESTRA EN LA QUE SE SABE QUE HAY 553GR DE SAL EN 1500ML DE AGUA ¿QUE TIPO DE DISOLUCION ES?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

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.

What is the percentage of hydrogen in nitrogen trihydride