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The Mole

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The Mole. The Mole (8.3). What is a Mole? Definition Avogadro’s Number How can we count atoms by using the mole? CONVERSIONS! Examples. Molar Mass. The mass (in grams) of 1 mole of the substance. Examples: Formula Weight-. Percent Composition of Compounds.

The Mole

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The Mole
The Mole (8.3) • What is a Mole? • Definition • Avogadro’s Number • How can we count atoms by using the mole? • CONVERSIONS! • Examples
Molar Mass • The mass (in grams) of 1 mole of the substance. • Examples: • Formula Weight-
Percent Composition of Compounds • Mass Percent of something is the mass of element/mass of the compound. • Examples:
Formulas of Compounds • Empirical Formula- • Examples: • Molecular Formula-

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The MOLE. The Center of the Chemical Universe. The Mole. Does NOT refer to a small woodland animal who lives in underground tunnels Does NOT refer to a pigment-enhanced area of skin Does NOT refer to an informant placed inside an organization Does NOT refer to a Mexican cooking sauce

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It’s time to learn about . . . the Mole !. Interesting angle to a picture!!!. Stoichiometry: Percent Composition At the conclusion of our time together, you should be able to:. Determine the percent composition of each of the elements in a compound

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The Mole!

Also Known As… The single most terrifying, horrific, scariest chemistry concept of the modern world. The Mole!. What is a “Mole”?. The term “ mole ” means a specific amount of a substance in chemistry. The amount that the mole is equal to is 6.02x10 23 .

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The Mole. Not the type of mole we are talking about. Measuring Matter . You often measure the amount of something by one of three different methods: Count Mass Volume. Conversions Try the practice problems on page 289!!!. 12 apples = 1 dozen apples Count 12 apples 1dozen apples

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“Mole…mole…mole…”. Not the kind on your face…. What you know…. What an atomic mass unit ( amu ) is What the formula mass of a given molecule is How to convert from atoms to amu With elements With compounds . Objectives. SWBAT define a mole .

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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 Mass ____ 11.5 The Formula for a Hydrate . 11.1 Measuring Matter Counting Particles

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The MOLE. The term “MOLE” is used to count numbers of atoms and molecules A “MOLE” represents a number 6.02 x 10 23 (scientific notation). 6.02 x 10 23 - Avogadro’s Number. The mole , 6.02 x 10 23 , is referred to as Avogadro's number .

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The Mole. 6.02 X 10 23. STOICHIOMETRY. - the study of the quantitative aspects of chemical reactions. The Mole. A counting unit Similar to a dozen, except instead of 12, it’s 602 billion trillion 602,000,000,000,000,000,000,000 6.02 X 10 23 (in scientific notation)

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Chemistry I HD – Chapter 6 Chemistry I – Chapter 10 ICP - Handouts. The Mole. SAVE PAPER AND INK!!! When you print out the notes on PowerPoint, print &quot;Handouts&quot; instead of &quot;Slides&quot; in the print setup. Also, turn off the backgrounds (Tools&gt;Options&gt;Print&gt;UNcheck &quot;Background Printing&quot;)!.

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The Mole . How you measure how much?. You can measure mass, or volume, or you can count pieces. We measure mass in grams. We measure volume in liters. We count pieces in MOLES. Moles. Defined as the number of carbon atoms in exactly 12 grams of carbon-12.

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The MOLE. It’s a beauty mark… It’s a small furry garden pest… No, wait… its how we count ATOMS!. What is a mole?. For counting matter (quantity) in chemistry we use the mole This number means a value ( like a dozen = 12) 1 mole = 6.02 x 10 23 representative particles

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The Mole. General Chemistry Fall 2009. Chemical Measurements. Everyday people perform jobs that require the ability to count and measure Chef- essential to measure ingredients correctly Construction worker- measuring cement, sand, gravel, and water determines the consistency of concrete

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The mole. A cool unit of chem counting. Representative particles. A representative particle is thought of as the smallest unit into which a substance may be divided without changing its composition For elements the rep. particle is the atom For compounds the rep particle is the formula unit

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The Mole. CA Standards. The Mole. 1 dozen =. 12. 1 gross =. 144. 1 ream =. 500. 1 mole =. 6.02 x 10 23. There are exactly 12 grams of carbon-12 in one mole of carbon-12. Calculating Formula/Molar Mass. Calculate the formula mass of carbon dioxide, CO 2. 12.01 g + 2(16.00 g) =.

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THE MOLE. Molarity January 14, 2009 (adapted from Mrs. J’s website). Very Important to Know!. 1000 ml = 1 L g/1 mol = molar mass = priodic table Multiply  subscripts = yes Coefficients = NO. substance being dissolved. total combined volume. A. Molarity.

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The MOLE. http://www.unit5.org/chemistry/Stoichiometry.html. 1 mol = molar mass. 1 mole = 22.4 L @ STP (HONORS ONLY). 1 mol = 6.02 x 10 23 particles. Welcome to Mole Island. Counting Atoms. Chemistry is a quantitative science - we need a &quot;counting unit.&quot; The MOLE

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The MOLE. ? Mole. The mole is a word that means a very specific number. We know about the word “dozen” it means 12. The mole means 6.0221367 x 10 23 , we just round it to 6.02 x 10 23 . If we have a mole of anything we have 6.02 x 10 23 of them.

153 views • 10 slides

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The MOLE. ? Mole. The mole is a word that means a very specific number. We know about the word “dozen” it means 12 items. The mole means 6.0221367 x 10 23 particles. we just round it to 6.022 x 10 23.

273 views • 22 slides

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Conversions involving molar mass and Avogadro’s number. The Mole. The Mole. A unit of measurement for counting atoms or molecules 1 Mole = 602 billion trillion 602,000,000,000,000,000,000,000 6.02 X 10 23 (this is known as Avogadro’s number). Amadeo Avogadro.

172 views • 11 slides

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The Mole. Unit 6. Formula Mass. Formula mass - (also called gram formula mass, molecular mass, formula weight, gram formula weight, molecular weight, gram molecular weight, molar mass, and molar weight): the mass of one mole of a compound, atom or ion. So what is a mole???.

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