Mole Meme & Mole Photos.

Slides:

Advertisements

Similar presentations

Key: Compound Calculations and Compound Stoichiometry.

Advertisements

Converting using molar mass

MOLE (mol)‏ Mass (g)‏ Particles (atoms,m’c or f.u.) DO NOW: Copy the conversion factors that allow you to convert from mass to moles and from particles.

0.277 mol ammonium acetate Convert to grams: mol NH 4 C 2 H 3 O 2 Step 1: Write the formula  NH 4 C 2 H 3 O 2 Step 2: Write the given information.

Honors Chemistry Unit 6: The Mathematics of Chemical Formulas

Test Review. The amount of a substance that contains:  6.02 x particles (atoms, molecules, formula units)  22.4 L (volume)  X grams (molar mass)

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

7.3 Using Chemical Formulas  Review  Mole: SI unit for the amount of a substance (contains avogadro’s number of particles)  Avogadro’s Number:

Matter Unit.  A unit created to describe atoms because the gram and kilogram are too large to use to define an atom.  1amu = 1.66 x g  g.

The MOLE CH 11.

Unit 6: Chemical Quantities

Chem Catalyst - What is the atomic mass of: - Cl? - Fe? - KCl? - H 2 O?

The Mole and Avogadro’s Number

Section 4: Moles of Compounds

The Mole Chapter 7 Chemical Quantities Determine the percent composition of Fe(OH) 2 Fe – 1 x 55.8 = 55.8 O – 2 x 16 = 32 H – 2 x 1 = 2 Molar mass =

Chapter 10 The Mole. Chemical Measurements Atomic Mass Units (amu) – The mass of 1 atom – 1 oxygen atom has a mass of 16 amu Formula Mass (amu or fu)

Or How I Learned to Stop Worrying and Love the Math… Again Part II: Two Step Problems.

Molar Mass Practice Calculate the molar mass of the following: Hydrogen Fe Iron II sulfate.

MOLE (mol)‏ Mass (g)‏ Particles atoms molecules formula units DO NOW: Copy the conversion factors that allow you to convert from mass to moles and from.

Mole (symbolized mol) = 6.02 x particles (602,000,000,000,000,000,000,000) Avogadro’s Number (N A ) molar mass – mass (usually in grams) of one mole.

Chemical Quantities Molar Mass Molar Volume Avogadro’s Number Mole Road Map Glencoe Chapter

The Mole Concept. The Mole The mole (mol) is a unit of measure for an amount of a chemical substance. A mole is Avogadro’s number of particles, that is.

Matter Unit.  A unit created to describe atoms because the gram and kilogram are too large to use to define an atom.  1amu = 1.66 x g  g.

Unit 8 Moles & Percent Composition Chapter 10. Words representing Numbers Dozen12 Baker’s Dozen13 Gross144 Ream500 Mole6.02 x

Once you know the number of particles in a mole (Avogadro’s number = 6.02 x ) and you can find the molar mass of a substance using the periodic table,

1 mole = 6.02 X things This is called Avogadro’s number.

Formula (Molar) Mass Li Mn K. Formula (Molar) Mass Add atomic mass of each atom in formula Unit: g/mol Mass of one mole of a pure substance.

MOLE (mol)‏ Mass (g)‏ Particles (atoms,m’c or f.u.) Which conversion factors that allow you to convert from mass to moles and from particles to moles.

MAYHAN Ch. 10/12 Moles to % yield Review ws DEFINE MOLE. MAYHAN HOW IS THE MOLE USED IN CHEMISTRY? A mole is 6.02 x “things” These things are any.

Unit: Chemical Quantities

Chap. 7: Chemical Quantities Calculate the mass of one mole of a species from its formula. Solve problems involving the relationship between the amount.

Christopher G. Hamaker, Illinois State University, Normal IL © 2005, Prentice Hall The Mole Concept.

THE MOLE Not these kinds of moles, but….

MOLAR MASS CHAPTER 7-2.

Bell Ringer How many moles of Nitric acid are there in 250 g?

Calculations w/ Atomic Mass and Molar Mass

Chapter 8 Chemical Composition

Measuring matter The mole

The Mole and Avogadro’s Number

Unit 3 Section 1 Chemical Composition

Molar Mass and Molar Volume

Factor Label Method and the Mole

Mass of a Mole of an Element Molar mass is the mass in grams of one mole of a representative particle The atomic mass in grams is the mass of one.

Chemistry Unit 6: The Mathematics of Chemical Formulas

mass of one mole of particles

Avogadro’s number, the mole, molarity, molar mass

3.10 – NOTES Measuring Matter - Moles

Practice: 2 step mole conversions

Molar Conversions.

THE MOLE Not these kinds of moles, but….

mass of one mole of particles

Different Types of Formulas

The Mole: A Measurement of Matter

The Mole Concept.

Molar Conversions.

Ratios The MOLE concept Counting by massing C-12 TMF

Molar Mass Conversions

Multi-Step Mole Conversions

Warm Up #1 If we were curious about finding the molar mass of a substance (say, NaCl), how can we find it? You have Iron (III) Oxide. Knowing the name.

MOLE CONVERSIONS Which conversion factors allow you to convert from mass to moles and from particles to moles. molar mass (g) . 1 mol ‏ x 1023 particles.

1 step: Mol to mass conversions

One Drop of Sea Water.

Chapter 11 The Mole.

Chemical Composition.

2 Step Mole Conversions: particles to Mass/Mass to Particles

Add to U7-3 Warm-Ups Ca3(PO4)2 1 mol 3 mol Ca 2 mol P 8 mol O

Mole Meme & Mole Photos.

QOTD What is atomic mass? How is atomic mass determined?

Presentation transcript:

Mole Meme & Mole Photos

Avogadro Memes…

MOLE CONVERSIONS Which conversion factors allow you to convert from mass to moles and from particles to moles. molar mass (g) . 1 mol ‏ 6.022 x 1023 particles . . 1 mol MOLE (mol)‏ Particles (atoms,m’c or f.u.) Mass (g)‏ 1 mol . molar mass (g)‏ 1 mol . 6.022 x 1023 particles Which conversions factors allow you to convert from moles to grams and/or particles?

QUICK SUMMARY the mole is a chemist’s bridge out of the atomic world (amu) into the real world (g)! Atomic Mass vs. Molar Mass 6.022x1023 particles H2 = _______ H2O = ________ MgSO4 = ________ (NH4)3PO4 = ________ 2 amu 18 amu 120 amu 149 amu H2 = _____ H2O = _____ MgSO4 = _____ (NH4)3PO4 = _____ 2 g 18 g 120 g 149 g

( )‏ M P aluminum sulfate How many moles of are in 6.29 x 1024 f.u.? Al3+ SO42– mole Al2(SO4)3 M P ( )‏ 1 mol Al2(SO4)3 6.29 x 1024 f.u. Al2(SO4)3 = 10.4 mol 6.022 x 1023 f.u. Al2(SO4)3 Al2(SO4)3

( )‏ M P How many formula units is 3.15 mol of iron (III) hydroxide? mole Fe3+ OH1– Fe(OH)3 M P ( )‏ 3.15 mol Fe(OH)3 6.022 x 1023 f.u. Fe(OH)3 = 1.90 x 1024 1 mol Fe(OH)3 f.u. Fe(OH)3

Nitric Acid MOLAR MASS PRACTICE… Ammonium Phosphate # # (NH4)3PO4 HNO3 Element MM (g) Total (g) 1 H 1.01 N 14.01 3 O 16.00 48.00 TOTAL MOLAR MASS 63.02 # Element MM (g) Total (g) 3 N 14.01 42.03 12 H 1.01 12.12 1 P 30.97 4 O 16.00 64.00 TOTAL MOLAR MASS 149.12 Nitric Acid Ammonium Phosphate

( )‏ # M P What’s the mass of 1.29 mol ? iron (II) nitrate mole Fe2+ NO31– Fe(NO3)2 M P ( )‏ 179.87 g Fe(NO3)2 1.29 mol Fe(NO3)2 = 232 g Fe(NO3)2 1 mol Fe(NO3)2 # Element MM (g) Total (g) 1 Fe 55.85 2 N 14.01 28.02 6 O 16.00 96.00 TOTAL MOLAR MASS 179.87 MOLAR MASS of Fe(NO3)2 1 formula unit of Fe(NO3)2 contains... 1 iron atom 2 nitrogen atoms 6 oxygen atoms

( )‏ # M P How many mol are in 37.5g of ? potassium nitrate K1+ NO31– KNO3 mole M P ( )‏ 1 mol KNO3 37.5 g KNO3 = 0.371 mol KNO3 101.11 g KNO3 # Element MM (g) Total (g) 1 K 39.10 N 14.01 3 O 16.00 48.00 TOTAL MOLAR MASS 101.11 MOLAR MASS of KNO3 1 formula unit of KNO3 contains... 1 potassium atom 1 nitrogen atom 3 oxygen atoms