What is the molarity of 0.5 liters of an aqueous solution that contains 2.0 mole of potassium iodide, KI?

Which best describes how johannes kepler developed his laws of planetary motion

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

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