Molar Conversions (p.80-85, )

Slides:

Advertisements

Similar presentations

What is the molar mass of Calcium Chloride (CaCl2) (to the nearest tenth!)? 111.1g/mol.

Advertisements

Conversion factors. Moles to particles Particles are atoms, molecules or ions 1 mole = Avagadro’s number of particles 1 mole___ or x

Mole  measurement of the number of particles in a sample  1 mol He (g) = 6.02 x atoms  1 mol CO 2(g) = 6.02 x molecules.

The Mole Chapter 9 What is a mole? A mole of a substance is the amount of that substance which contains 6 x particles of that substance.

Empirical and Molecular Formulas

IIIIIIIV Unit 5 – The Mole I. Molar Conversions. Molar Conversions n Molar Mass is a conversion factor to convert mass of any element or compound to moles.

Chapter 7: Chemical Formulas and Chemical Compounds

IIIIIIIV Ch. & 7 – The Mole I. Molar Conversions.

Counting Atoms Chapter 9. MOLE?? Moles of Particles In one mole of a substance, there are 6 x particles.

III. Molarity Topic 9 The Mole. A. Molarity Concentration of a solution. total combined volume substance being dissolved.

Ch. 3 & 7 – The Mole Molar Conversions C. Johannesson.

Chemistry Warm Up: Mole / Mass / Particles 1.What is the mass of one mole of water? 2.If one milliliter of water has a mass of 1.00grams, how many moles.

Oh My!!.  Mole (mol) can be defined as the number equal to the number of carbon atoms in grams of carbon (in an chemical equation it is the coefficients.

Working With Moles. HW – Ques Pb(CH 3 ) O 2  2PbO + 8CO H 2 O a. How many moles of O 2 are needed to burn 4.6 moles of Pb(CH 3 ) 4.

The Mole A. What is the Mole? ► A counting number (like a dozen) ► Avogadro’s number (N A ) ► 1 mol = 6.02  items A large amount!!!!

11.3 Moles of Compounds Objectives:

Moles of Compounds. A properly written compound shows the ratio of atoms in the compound. For example, sodium carbonate (Na 2 CO 3 ) shows that for every.

Stoichiometry – Chemical Quantities Notes. Stoichiometry Stoichiometry – Study of quantitative relationships that can be derived from chemical formulas.

Ideal gases and molar volume

Stoichiometry Chemical Quantities Chapter 9. What is stoichiometry? stoichiometry- method of determining the amounts of reactants needed to create a certain.

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,

Stoichiometry: Molar Conversions

USING MOLAR CONVERSIONS TO DETERMINE EMPIRICAL AND MOLECULAR FORMULAS.

Molar Mass = mass in grams of one mole –Units grams/mole Molar Mass = atomic mass Why aren’t all atomic masses whole numbers? –Remember that atomic masses.

Chapter 8 Mole Conversions Part : Molecular Mass/Weight Formula Mass/Weight The formula of an Acetylsalicylic Acid (Aspirin) molecule is C 9 H 8.

Unit: Chemical Quantities

UNIT 6: CHEMICAL QUANTITIES Chapter 10: Mole and Volume Relationships.

Sections 10-1 & 10-2 Mole Conversions. 1 mole = 6.02x10 23 atoms, = molar mass (g) = 22.4 L molecules, of any gas Formula units at STP Mass – Mole Problem:

Molarity moles of solute Liters of solution Unit for molarity mole mol LiterL = M.

Avogadro’s and the Mole. Moles a mole is the number of carbon atoms in exactly 12g of carbon. a mole is a unit of measurement, just like grams…

Calculating Empirical Formulas

Dozen and Mole 1 dozen = 12 pieces 1/2 dozen of apples = 6 apples 2 dozens of eggs = 24 eggs 1 mole = 6.02 x particles ½ mole of C atoms = 3.01 x.

RR: How many ways can you count to 100?. Do you know how to count? In chemistry, the unit that helps us count is the mole (mol). The mole represents

Aim: How to do Mass to Mass Calculations. Mass to Mass Calculations.

Or If I just substitute dozen for mole, this will all seem easier! Part I: One Step Problems.

Start when the bell rings

Glencoe: Chapter 11 Sections 11.1 & 11.2

Mole Practice Questions

Mole Conversions If we have a pile of salt, how many moles are in it?

Molar Mass and Molar Volume

10.5 NOTES Avogadro Molar Volumes

Section 3.1 The Mole and Molar Mass

mass of one mole of particles

Molar Conversions Review

Molarity & Dilution.

Ch. 3 & 7 – The Mole II. Molarity (p ) C. Johannesson.

Molar Conversions (p.80-85, )

Practice: 2 step mole conversions

Ch. 3 & 7 – The Mole II. Concentration (p )

Molar Conversions (p.80-85, )

Molar Conversions.

Moles to Atoms Conversion Answers:

4.6 – NOTES Moles Conversion

% Formula Mass and % Composition

mole (symbolized mol) = 6.02 x particles

9.4 – NOTES Avogadro and Density

THANKSGIVING H.W. ANSWERS

Molar Conversions.

Ch. 10 – The Mole Molar Conversions.

1 step: Mol to mass conversions

Chemical Composition.

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

Ch. 10 – The Mole Molar Conversions.

Moles practice Q’s Ch 10 Pearson.

Presentation transcript:

Molar Conversions (p.80-85, 221-226) Ch. 3 & 7 – The Mole Molar Conversions (p.80-85, 221-226)

C. Molar Conversions molar mass 6.02  1023 MOLES (g/mol) IN GRAMS MOLES NUMBER OF PARTICLES (g/mol) (particles/mol)

Molecules to mass Example Find the mass of 21  1024 molecules of Carbon. 2.1  1024 Molecules C 1 mol C 6.02  1023 Molecules C 12.01 g C 1 mol C = 41.90 g C

Mass to molecule Example Find the number of molecules in 2.5 grams Oxygen. 2.5 grams oxygen 6.02  1023 Molecules O 1 mol O 1 mol O 16 grams O =9.4  1022 Molecules O