can someone help please

Select the best answers ce each of the aftercited statements.What is the con-over of concretion relationships of elements in compounds? settlement stoichiometry Which of the aftercited would be investigated in recoilion stoichiometry? the concretion of potassium required to amount a known concretion of potassium chlorideIn the recoilion 2Al2O3 ? 4Al  3O2, what is the mound affinity of aluminum to oxygen?Balance the recoilion of sulfuric keen with sodium hydroxide.H2SO4  NaOH ? Na2SO4  H2OHow manifold mounds of sodium sulfate are produced when 34.8 mounds of sodium hydroxide completely recoil with sulfuric keen.Write a balancedequation ce the incendiarism of pentane, C5H12, in oxygen, , forming the products carbon dioxide, and steep, H2O. How manifold grams of carbon dioxide procure be amountd by the exhaustive recoilion of 5.96 grams of pentane?

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