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MOLE (mol)‏

MOLE CONVERSIONS. DO NOW : Copy the conversion factors that allow you to convert from mass to moles and from particles to moles. MOLE (mol)‏. Particles ( atoms or molecules) ‏. Mass (g)‏. Which conversions factors allow you to convert from moles to grams and/or particles?.

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MOLE (mol)‏

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  1. MOLE CONVERSIONS DO NOW: Copy the conversion factors that allow you to convert from mass to moles and from particles to moles. MOLE (mol)‏ Particles (atoms or molecules)‏ Mass (g)‏ Which conversions factors allow you to convert from moles to grams and/or particles? 1 mol . molar mass (g) . 1 mol . 6.022 x 1023 particles . . molar mass (g)‏ 1 mol ‏ 6.022 x 1023 particles 1 mol

  2. HOMEWORK Review 8.1 - 8.4 #’s 19,21,23,38,40,42

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

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

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

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

  7. QUICK SUMMARY 6.022x1023 Molar Massvs.Atomic Mass 2 g H2 = _____ H2 = _______ 2 amu 18 g H2O = _____ H2O = ________ 18 amu 120 g MgSO4 = _____ MgSO4 = ________ 120 amu 149 g (NH4)3PO4 = _____ (NH4)3PO4 = ________ 149 amu

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

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