[References] Use the References to access important values if needed for this question. Write the molecular formula for a compound with the possible elements C, H, N and O that exhibits a molecular ion at M* = 84.0948. Exact Masses of the Most Abundant Isotope of Selected Elements Isotope Natural abundance (%) Exact mass 99.985 1.008 1H 12C 14N 160 98.90 99.63 99.76 12.000 14.003 15.995 Molecular formula c6h6n02 (In the order CHNO, with no subscripts)

12.1 g of goztic acid was dissolved in water weighing 87.9 G. The mass fraction (%) of acid in the solution was calculated.

Match the following terms to their definitions: Aqueous solution, cation, centrifuge, decant, flame test, precipitate, qualitative analysis, supernate An insoluble solid formed when two solutions are mixed is called a ..... ? Group of answer choices Decant Precipitate Aqueous Solution Cation Centrifuge Flame Test Supernate Qualitative Analysis

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What if not taken in excess?

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You can use many different pieces of glassware to measure volumes of liquids. However the piece of glassware typically used to add/transfer volumes of solutions to another container in titrations is a(n) O a) graduated cylinder Ob) beaker. Oc) pipette d) burette.