Please answer, I don't want to waste more points. ¿What's the answer to this Periodic Table question?

How many moles of al3+ ions are in 1.25 moles of al2o3

What is the oxidation state of each individual carbon atom in c2o42−?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.