In order to compare amounts of two different substances, it is necessary to figure out the amount of moles of both substances. Moles can be obtained by dividing the mass of a substance by its formula mass. If you have 17 grams of a substance with a formula mass of 68.264 g/mol, how many moles do you have?
Report your answer to 3 decimal places. ​

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

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

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