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[DOC File]Chemistry - Mole Notes
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moles packet chemistry worksheet # 1 molar mass (gram molecular/formula weights) We know that grams are actually a measure of the mass of matter and not the weight. Mass is the quantity of matter present; weight is a measure of the pull of gravity on matter and is measured in pounds or Newtons.
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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atoms, ions, formula units or molecules. Examples of Conversion Factors: 1 mol 1 mol 6.02 X 1023 molecules6.02 X 1023 atoms, ions . or formula units . Molar Mass. Mass in g of 1 mole of anything. For an element, the molar mass is equal to the atomic weight from the periodic table. 1 mol atomic wt. (g)
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[DOCX File]Mole Conversions Worksheet
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YEAR 11 – CHEMISTRY. SEMESTER ONE. MOLES, MASS, and VOLUME OF A GAS. Complete the table below: Name Formula Molar mass (M) Moles (n) Sample mass Sodium Hydroxide NaOH 3.41 g CCl4 1.4 Sodium Carbonate 106 amu 1.0 KCl .25 Ammonium Phosphate 8.46 g Find the number of moles in the following samples. 14.6 g acetylene, C2H2
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Mole (unit) - Wikipedia
When a concentrated solution is diluted with water, the number of moles of solute does not change, but the ratio of moles of solute to volume of solution does change. For dilution problems, the formula M1V1 = M2V2 can be used. Using the density of a solution and its percent by weight composition, the molarity can be found. Example problems:
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[DOC File]Simplest (EMPIRICAL) Formula - PSD401
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Chemistry 1B. Date: _____ High: MOL.2; Define one mole of a substance as 6.02 X 1023 particles. ... MOL.5. Use dimensional analysis to convert between the mass, number of moles and number of particles of a substance. 10.2-3. Directions: Show ALL of your work. Make sure to include units!!!! ... How many moles are 1.20 x 1025 formula units of ...
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[DOCX File]Honors Chemistry - Unit 2
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80.00 grams carbon 1 mole carbon = 6.666 moles of carbon 12.01 grams carbon 20.00 grams hydrogen 1 mole hydrogen = 19.84 moles of hydrogen 1.008 grams hydrogen We are interested in the ratio of moles of carbon to moles of hydrogen so now we compare the mole ratios by dividing by the element that has the least number of moles:
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[DOC File]Chemistry I-Honors
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IV. Empirical Formula. A. The simplest whole number ratio between elements in a compound. B. For inorganic chemistry (what we are currently studying) the empirical formula is the same as the molecular formula. C. To calculate the empirical formula find the number of moles of each element in a compound then determine the ratio between the molar ...
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Moles formula chemistry