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10 Cards in this Set
- Front
- Back
Define the term Mole
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The formula weight of a substance expressed in grams.
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Define the term Formula Weight
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The sum of the atomic weights in amu of all the atoms in an ionic or covalent compounds formula.
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Define the term Molecular Weight
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The sum of the atomic weights in amu of all the atoms in a covalent compound formula.
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Define the term Molar Mass
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The mass in grams of a substance that is numerically equal to the substance's formula weight.
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Define the law of conservation of mass and how this concept relates to chemistry
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Mass of products + mass reactants
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Demonstrate the ability to calculate the formula weight of a substance using chemical formula.
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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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