Bellringer 3/28 How many moles of calcium are in 425g of Calcium (Ca)?

Slides:

Advertisements

Similar presentations

Category 5 Category 4 Category 3 Category 2 Category

Advertisements

Molar Mass of Compounds

Chemical Quantities.

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

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

Mass Relationships in Chemical Reactions Chapter 3.

60,200,000,000,000,000,000, x

The molar mass of a compound can be calculated from its chemical formula and can be used to convert from mass to moles of that compound. Section 3: Moles.

 Molar mass is the mass in grams of one mole of particles (atoms, ions, molecules, formula units).  Equal to the numerical value of the average atomic.

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.

Section 3: Moles of Compounds Chemical Composition.

What is a Mole How many socks come in a pair? 2 How many eggs are in a dozen? 12 How many eggs come in a gross? 144 How many pencils come in a ream? 500.

Ch. 10: The Mole *Part of Sec. 13.2: Avogadro’s Principle (pages ) Sec. 10.3: Moles of Compounds (pages 333 – 334 & )

WHAT IS A MOLE?.

Chapter 11 Mathematics & Chemical Formulas Unit 6 – The Mole.

Section 4: Moles of Compounds

Chapter 11 : Matter Notes. Mole (mol) is equal to 6.02x10 23 The mole was named in honor of Amedeo Avogadro. He determined the volume of one mole of gas.

 How many atoms are in 3.6 mol of calcium?  How many moles are in 1.45 x atoms of sodium?  What is the molar mass of K 2 SO 4 ?  How many grams.

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.

Atoms and Molecules Formula Unit Mass The formula unit mass of a substance is a sum of the atomic masses of all atoms in a formula unit of a compound.

The Mole Unit 5. Formula Mass Formula mass - also called: formula massmolecular mass molecular massformula weight formula weightmolecular weight molecular.

WHAT IS A MOLE?. Moles: Measuring Matter A UNIT OF MEASURE!!! 1 mole = 6.02 x representative particles – atoms, molecules, formula units, ions –

Wake-up 1.Study Polyatomic Ions for about 5/10 minutes. Write NO WAKE-UP on Friday.

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.

The Mole The Basic Chemical Unit. A Mole is : A chemical quantity A Mole of any substance is Chemically equivalent to a mole of any other substance.

What is a Mole? To a chemist a mole is a counting unit for a substance. Abbreviated “mol”

Chapter 11: The Mole Table of Contents 11.1: Measuring Matter 11.2: Mass and the Mole 11.3: Moles of Compounds.

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.

Empirical Formula Molecular Formula

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.

Section 3 Moles of Compounds Objectives: Recognize the mole relationship shown by chemical formula Calculate the molar mass of a compound Calculate the.

12.1 Test Review. What is percent composition? the percent (by mass) of all the elements in a compound.

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,

Chapter 8 Factor Label Method and the Mole. What is Avogadro’s Favorite Novel?

Chemical Formulas & The Mole CCl 2 F 2 = 1 molecule of freon with 1 carbon atom, 2 chlorine atoms, & 2 fluorine atoms So a dozen molecules of freon would.

Unit: Chemical Quantities

Molar Conversions  How many days are in 1 week? 7 days same type of unit conversion works for moles UnitUsed to measureHow many? 1 weekDays7 1 moleNumber.

The Mole Calculating -Molecular Weight -Formula Weight -Molar Mass.

Finding the Concentration of Ions. How do we determine the number of moles of each ion in a soluble compound? Steps 1)Write out the dissociation equation.

Percent Composition. What is it? Percent composition is the percent by mass of each element present in a compound.

WARM UP “When you’re thirsty it’s too late to think about digging a well.” –Japanese proverb 1.What does this quote mean to you? 2.How can you apply this.

MOLAR MASS CHAPTER 7-2.

Formula Weights © 2012 Pearson Education, Inc..

Atomic Mass is the Mass of One Mole of an Element

The Mole: A Measurement of Matter

Using Conversions.

Warm-Up 4/16/2015 Which Statement correctly compares an atom of boron-11 and an atom of carbon-14? An atom of boron-11 has one fewer proton and two fewer.

Section 3.1 in class 1 mol = x 1023 things

How many ions are in a mole of chloride, Cl- ?

Converting moles to the number of atoms

Empirical Formula Molecular Formula

Ion Concentration.

Molar Conversions Review

Molar Conversions.

Reaction Stoichiometry

4.6 – NOTES Moles Conversion

Molar Conversions (p.80-85, )

mole (symbolized mol) = 6.02 x particles

Molar Conversions.

Ion Concentration.

Using Conversion Factors.

Formulas/MOF Objectives

Chapter 11 The Mole.

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

DO NOW Pick up notes. Get out homework, calculator, and green periodic table.

Presentation transcript:

Bellringer 3/28 How many moles of calcium are in 425g of Calcium (Ca)?

The Mole Part 2

Mass – Particle Conversions How many atoms of gold are in 25.0 g of gold?

Mass – Particle Conversions How many grams of He are in 5.50 x atoms of He?

Moles of Compounds Freon has the formula CCl 2 F 2 This now gives us new conversion factors

Example How many moles of F are in 5.50 mol of CCl 2 F 2 ?

Example How many moles of Al are in 1.25 mol of Al 2 O 3 ?

Example How many Cl - ions are in 35.6 g of AlCl 3 ? How many Al +3 ions?