moles objective: to practise calculations involving a mole of a substance

Moles Objective: To practise calculations involving a mole of a substance.

Upload: kelly-simon

Post on 03-Jan-2016

213 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

Moles

Objective:

To practise calculations involving a mole of a substance.

Calculating the mass of a mole

Task 1

For an element, a mole is the relative atomic mass expressed in grams. The relative atomicmass of hydrogen is 1, the same as the mass number for hydrogen. So the mass of one mole of hydrogen is 1 g.

Element Relative atomic mass

Mass of one mole

Hydrogen 1 1g

Carbon

Oxygen

Magnesium

Page 3: Moles Objective: To practise calculations involving a mole of a substance

Calculating the mass of a mole

Task 2

For a compound, a mole is the relative formula mass expressed in grams.

Compound Formula Relative formula mass

Massof one mole

Sodium fluoride

NaF 23 + 19 = 42 42 g

Water

Carbon dioxide

Calcium oxide CaO

Page 4: Moles Objective: To practise calculations involving a mole of a substance

Moles glossary

Define the following terms:

• Relative Atomic Mass.

• Relative formula Mass.

• A mole.

What is a mole?

A mole is the relative atomic mass or formula mass expressed in grams.

A mole of any substance always contains the same number of particles.

A mole of any element or compound contains 6.02 x 1023 atoms, ions or molecules. This is called Avogadro’s number.

Page 6: Moles Objective: To practise calculations involving a mole of a substance

Moles calculations

mass (g)

Moles = molar mass (g)

Mass (g) = moles x molar mass (g)

Stoichiometry Part 1: moles to moles. Introduction Stoichiometry is the study of the mass and mole relationship between the reactants and products of

The Mole Mrs. Coyle Chemistry. Part I The Mole Molar Mass Moles Particles

MOLES AND CALCULATIONS USING THE MOLE CONCEPT …MOLES AND CALCULATIONS USING THE MOLE CONCEPT INTRODUCTORY TERMS A. What is an amu ? 1.66 x 10-24 g B. We need a conversion to the

Counting Atoms Chapter 9. MOLE?? Moles of Particles In one mole of a substance, there are 6 x 10 23 particles

A Dozen Moles Heather Berry. THE MOLE A chemical mole is like a dozen. Each is a set quantity of matter

The Mole. Chapter 11: The Mole ____ 11.1 Measuring Matter ____ 11.2 Mass and the Mole ____ 11.3 Moles of Compounds ____ 11.4 Empirical Formulas and Molecular

Body parts Mole calculations: Moles level 2(continued)

Solution Concentration Molarity(M): Moles solute/1L solution Molality (m): Moles solute/1kg solvent Mole fraction (X A ): Moles A* total moles solution

Mole Fraction Molality Molarity - University of Texas at ...vandenbout.cm.utexas.edu/courses/ch302s08/files/dvb012408a4.pdf · Mole Fraction!i = moles of i total moles Molality m

FORMULAS, EQUATIONS AND MOLES Mole Calculation Chapter 3

The Mole Concept Introduction Number of Particles and Moles Topic 1.2

Mole-to-ParticlesMass-to-Mole and - Wikispacesto+Particle... · Teaching Transparency Masters Mass of compound Moles of compound ... 34. Name Date Class ... Mass-to-Mole and

Review - Weebly · §-Mole ratio: mole «moles §-Molar mass: moles «grams §-Molarity: moles «liters solution §-Molar volume: moles «liters gas ④Double check your answer. Molar

A reliable skin mole localization schemepeople.csail.mit.edu/billf/publications/Reliable_Skin...processed with the mole detection block to localize the moles. (b) Input - output image

Chemistry – A Molecular Sciences AppendicesTherefore, one mole of iron(III) nitrate contains one mole of iron, three moles of nitrogen and nine moles of oxygen. A.7 MOLAR MASSES,

CH 3: Stoichiometry Moles. Mole Defined Mole = number equal to the # of carbon atoms in exactly 12 grams of pure C-12. –Mole = 6.022 x 10 23 –Called Avogadro’s

Chemical Calculations Mole to Mass, Mass to Moles

STOICHIOMETRY CALCULATIONS COACH COX. MOLE TO MOLE CONVERSIONS Converting from moles of one substance in a chemical reaction to moles of another substance

Moles Voles & Rabbits - Carteret County Moles Voles... · MOLES, VOLES & RABBITS EASTERN MOLE, Scalopus Aquatieus How to recognize 4-6 inches; short tail and pointed nose. Very short,

CHAPTER 10 The Mole - · PDF fileCHAPTER 10 The Mole Chemistry: ... 10.3 Moles of Compounds Recall that a mole is Avogadro’s number (6.02 1023) of particles of a substance

Atoms, Moles, And the Mole Concept

CHAPTER 2: MOLES, DENSITY, AND CONCENTRATION · CHAPTER 2: MOLES, DENSITY, AND CONCENTRATION 2.1 The Mole ¾mole is a certain amount of material corresponding to a specified number

What is Melanoma? Know Your Moles · Know Your Moles Check your moles between skin exams. Melanoma often appears in an existing mole or looks like a new mole. By knowing where you

10.1 The Mole: A Measure- ment of Matter - Useful · PDF file10.3 Percent Composition and Chemical Formulas . 10.1 The Mole: ... Problem 10.3. Converting Moles to ... 10.1 The Mole:

Mole-Mass and Mole-Volume Relationships. The Mole-Mass Relationship To convert the mass of a substance to the number of moles of the substance you have

Chapter 3 – Atoms and Moles - Grygla Public · PDF fileChapter 3 – Atoms and Moles Section 1 ... 6.022 x 1023 particles (atoms or molecules) per mole + ... How many moles of silver

Chemistry 11 - misszukowski.weebly.com€¦ · Chap 7: Mole Ratio in Reactions I. How many moles of 02 are produced from 1.50 moles of KC1O3? 2KC1O3 - 2KC1 + 302 2. How many moles

1 Moles and Stoichiometry Ch. 12 2 The Mole n OBJECTIVES: –Describe the mole concept –Calculate the mass of a mole of any substance. –Convert between

10 Mole Packet Key2.pdf · Mixed Mole Problems ... 22.4L STP Volume Mass (g) o o 0 o . Mole-Particle Practice Worksheet ... Mass-Mole Conversion Handout rams to moles:

igs/mole problems MS.pdf · ... How many moles of hydrogen were forrned? ... moles Of Mg = 3/24 = 0.125 ... Calculate the number of moles of atoms for ea&l element

Moles : a counting unit in chemistry What is a mole? Why do we use moles? Mole calculations

Lecture 6. 3.6: Quantitative Information from Balanced Equations. 2 H 2 + (1) O 2 → 2 H 2 O 2 moles 1 mole 2 moles

Mole & Chemical Compositionvanguardchemistry.weebly.com/uploads/9/2/4/7/92475196/7...Mole & Chemical Composition Honors chemistry – Semester 1 Converting between grams, moles and

CEE 370 Environmental Engineering PrinciplesM = 40,000 lbs x 5 454 g 1 lb x 1 mole 36.5 g = 5.0 x 10 moles HCl From the stoichiometricformula, one mole of lime neutralizes two moles

Chapter Menu The Mole Section 10.1Section 10.1Measuring Matter Section 10.2Section 10.2 Mass and the Mole Section 10.3Section 10.3 Moles of Compounds