The empirical formula of the given B x H y compound is to be determined if the molar mas is 26.02 g / m o l . Concept introduction: Empirical formula of a compound represents the smallest whole number relative ratio of elements in that compound. Equation for finding Molecular formula from the empirical formula, Molar mass Empirical formula mass × Empirical formula Equation for number moles from mass and molar mass, N u m b e r o f m o l e s = M a s s i n g r a m s M o l a r m a s s Mass percent of elements of a compound is the ratio of mass of element to the mass of whole compound and multiplied with hundred.

BuyFind

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074
BuyFind

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781337399074

Solutions

Chapter 2, Problem 88PS
Interpretation Introduction

Interpretation:

The empirical formula of the given BxHy compound is to be determined if the molar mas is 26.02g/mol.

Concept introduction:

  • Empirical formula of a compound represents the smallest whole number relative ratio of elements in that compound.
  • Equation for finding Molecular formula from the empirical formula,

    MolarmassEmpiricalformula mass × Empirical formula

  • Equation for number moles from mass and molar mass,

  Numberofmoles=MassingramsMolarmass

  • Mass percent of elements of a compound is the ratio of mass of element to the mass of whole compound and multiplied with hundred.

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