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10: Chemical Quantit

This is a review over chapter 10 in the Person Chemistry textbook.

QuestionAnswer
mole 6.02X10^23 representative particles of that substance and is the SI unit for measuring the amount of a substance.
Avogadro's number 6.02X10^23
Representative particle The species present in a substance, usually atoms, molecules, or formula units.
Molar mass The mass of a mole of an element
Avogadro's Hypothesis States that equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
Standard temperature and pressure (STP) A temperature of 0 degrees Celsius and a pressure of 101.3kPa, or one atm.
Molar volume 22.4L of a gas
mole 6.02X10^23 representative particles of that substance and is the SI unit for measuring the amount of a substance.
Avogadro's number 6.02X10^23
Representative particle The species present in a substance, usually atoms, molecules, or formula units.
Molar mass The mass of a mole of an element
Avogadro's Hypothesis States that equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
Standard temperature and pressure (STP) A temperature of 0 degrees Celsius and a pressure of 101.3kPa, or one atm.
Molar volume 22.4L of a gas
percent composition the percent by mass of each element in a compound.
Percent by mass of an element (mass of element/ mass of compound) X 100%
Empirical formula A compound gives the lowest whole number ratio of the atoms of moles of the elements in a compound.
Created by: hihello2007
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