5) A dextrose (also called D-glucose, C6H1206) solution with a mass of 2.00 ~ 102 g has 15.8 g of dextrose
dissolved in it. What is the mass percent
concentration of the solution?
(A) 0.0444%
(B) 92.7%
(C) 79.0%
(D) 7.90%

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?