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MOLE (mol)‏

MOLE CONVERSIONS. DO NOW : Which conversion factor allows you to convert from moles to particles?. Particles ( atoms or molecules) ‏. MOLE (mol)‏. Which conversion factor allows you to convert from particles to moles?. 1 mol. 6.022 x 10 23 particles .

britanney-guzman
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MOLE (mol)‏

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  1. MOLE CONVERSIONS DO NOW: Which conversion factor allows you to convert from moles to particles? Particles (atoms or molecules)‏ MOLE (mol)‏ Which conversion factor allows you to convert from particles to moles? 1 mol . 6.022 x 1023 particles . 1 mol 6.022 x 1023 particles

  2. HOMEWORK Read 8.4 #’s 19,21,23,38,40,42

  3. ( )‏ aluminumsulfate aluminumsulfate How many moles of are in 6.29 x 1024 SO42– Al3+ molecules of Al2(SO4)3? Al2(SO4)3 1 mol Al2(SO4)3 6.29 x 1024m’cAl2(SO4)3 = 10.4 mol 6.022 x 1023m’c Al2(SO4)3 Al2(SO4)3 P mole M P

  4. ( )‏ How many molecules are in 3.15 mol of iron (III) hydroxide? Fe3+ OH1– Fe(OH)3 6.022 x 1023m’c Fe(OH)3 3.15 mol Fe(OH)3 1 mol Fe(OH)3 = 1.90 x 1024 molecules Fe(OH)3 P mole M P

  5. ( )‏ How many grams are in 5.16 mol magnesium? Mg 24.31 g Mg 5.16 mol Mg = 125.4 g Mg 1 mol Mg P MOLAR MASS! mole M

  6. ( )‏ What’s the mass of 1.29 mol ? iron (II)nitrate iron (II)nitrate P NO31– Fe(NO3)2 Fe2+ 179.87 g Fe(NO3)2 mol = 232 g Fe(NO3)2 1.29 mol Fe(NO3)2 1 mol Fe(NO3)2 M P MOLAR MASS of Fe(NO3)2 1 formula unit of Fe(NO3)2contains... 1 iron atom 2 nitrogen atoms 6 oxygen atoms

  7. QUICK SUMMARY g amu 6.022x1023 Molar Massvs.Atomic Mass 1.01 g H = _____ H = _______ 1 amu 18.02 g H2O = _____ H2O = ________ 18 amu 120.39 g MgSO4 = _____ MgSO4 = ________ 120 amu 149.12 g (NH4)3PO4 = _____ (NH4)3PO4 = ________ 149 amu

  8. MOLAR MASS PRACTICE… (NH4)3PO4 HNO3 Nitric Acid Ammonium Phosphate

  9. ( )‏ potassium nitrate potassium nitrate How many mol are in 37.5g of ? NO31– KNO3 K1+ P 1 mol KNO3 37.5 g KNO3 = 0.371 mol KNO3 mole 101.11 g KNO3 M P MOLAR MASS of KNO3 1 formula unit of KNO3contains... 1 potassium atom 1 nitrogen atom 3 oxygen atoms

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