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10 Cards in this Set

  • Front
  • Back
Define the term Mole
The formula weight of a substance expressed in grams.
Define the term Formula Weight
The sum of the atomic weights in amu of all the atoms in an ionic or covalent compounds formula.
Define the term Molecular Weight
The sum of the atomic weights in amu of all the atoms in a covalent compound formula.
Define the term Molar Mass
The mass in grams of a substance that is numerically equal to the substance's formula weight.
Define the law of conservation of mass and how this concept relates to chemistry
Mass of products + mass reactants
Demonstrate the ability to calculate the formula weight of a substance using chemical formula.
Example: Glucose
C 6 x 12.0 = 72.0
H 12 x 1.0 = 12.0
O 6 x 16.0 = 96.0
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How many objects are there in 1.6 moles of oxygen atoms?
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Calculate the mass in grams of a 0.30 mole sample of
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A person drinks 1500g of water a day. How many moles is this?
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We wish to weigh 2.84 mol of sodium sulfide, Na S. How many grams is this?
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