Ch. 10 The Mole Question Preview (ID: 37390)


This Covers Conversions: Mole To Particles, Mole To Mass, Mole To Volume And Two Step Problems As Well As Terminology. TEACHERS: click here for quick copy question ID numbers.

The number on the periodic table that is the mass of one atom of an element in amus or the mass of a mole of an element in grams.
a) molar volume
b) molar mass
c) atomic mass
d) Avogadro's number

The mass of the mole of any element or compound.
a) molar volume
b) molar mass
c) atomic mass
d) Avogadro's number

The volume occupies by a mole of any gas at STP
a) molar volume
b) molar mass
c) atomic mass
d) Avogadro's number

_________________ is the number of representative particles equal to one mole
a) molar volume
b) molar mass
c) atomic mass
d) Avogadro's number

An atom, ion, formula unit or a molecule depending on the way a substance can commonly exist
a) mole
b) representative particles
c) percent composition
d) empirical formula

The smallest whole-number ratio of the elements in a compound
a) mole
b) representative particles
c) percent composition
d) empirical formula

Percent by mass of each element in a compound
a) mole
b) representative particles
c) percent composition
d) empirical formula

The SI unit used to measure the amount of a substance
a) mole
b) representative particles
c) percent composition
d) empirical formula

Which combination of temperature and pressure correctly describes standard temperature and pressure (STP)?
a) 0 degrees C and 101.3 kPa
b) 1 degree C and 0 kPa
c) 0 degrees C and 22.4 kPa
d) 100 degree C and 100 kPa

What information id needed to calculate the percent composition of a compound?
a) the weight of the sample to analyzed and its density
b) the weight of the sample to be analyzed and its molar volume
c) the formula of the compound and the atomic mass of its elements
d) the formula the compound and its density

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