Samuels CHEM Stoichiometry: Question Preview (ID: 28385)


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AB creates A + B is an example of
a) decomposition reaction
b) combination reaction
c) double displacement reaction
d) single displacement reaction

What is the molecular mass of H2O if H = 1 and O = 16.
a) 18 g/mol
b) 17 g/mol
c) 16 g/mol
d) 33 g/mol

Ions that are composed of 2 or more elements are called
a) polyatomic ions
b) molecular ions
c) transition ions
d) atomic ions

This law states that the given compound will always have the same ratio or mass percent
a) Law of Definite Composition
b) Law of Absolutes
c) Law of Thermodynamics
d) Law of Bonding

Which of the following is Avogadro’s number?
a) 6.002 x 10^23
b) 6.01 x 10^23
c) 1.0026 x 10^20
d) 1.026 x 10^20

N2O4 has what name?
a) dinitrogen tetraoxide
b) nitrogen oxide
c) nitrogen (II) oxide
d) dinitrogen pentaoxide

FeCl3 has what name?
a) iron (III) chloride
b) iron (II) chloride
c) iron (III) trichloride
d) monoiron chlorine

LiF has what name?
a) lithium fluoride
b) lithium (II) fluoride
c) lithium fluorine
d) lithium nonafluoride

What tells us the simplest ratio of atoms in a compound?
a) empirical formula
b) molecular formula
c) ionic compound
d) binary compound

AB + CD creates AD + BC is an example of
a) double displacement reaction
b) single displacement reaction
c) combination reaction
d) decomposition reaction

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