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What does the salinity of sea water represent?

the volume of salt in the ocean
the mass of salt in the ocean
the concentration of salt dissolved in the ocean
the concentration of all dissolved chemicals in the ocean

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

Write the overall equation for the reaction for lithium battery

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.