Guys please I need an answer for this asap Mg+2HCl -> MgCl+H2

0.2 mole of mg reacted with 0.2 of HCl

What is the mass of hydrogen gas produced?

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

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

What is the lowest number energy level where a d sublevel is found