If 2.4g of magnesium burns in oxygen. calculate (i) the mass of magnesium oxide formed (ii) volume of oxygen at stp.

Iwill give extra points to who gets this right

What does x represent in the formula for the compound xcl4?

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