If you put 15.742 g of LiNO3 into 1 liter of solution, what is the concentration of that solution? M (3 Sig Figs with one zero in front of the decimal)

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature