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Published byTeresa Charlotte Alexander Modified over 9 years ago
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CHAPTER 10 THE MOLE PART 2
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MOLE CACLULATIONS!
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CORRECTION: A mole of marbles WOULD NOT fit into a box!
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CORRECTION: A mole of marbles WOULD NOTfit into the North Building Lobby
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1.What’s given will often be the _________________________ in your dimensional analysis. 2. Write the ____________________________________ where the end of the dimensional analysis will be. 3. Write down the ________________________ you will need for your conversion factors. 4. Using ___________________________________ write the correct conversion factors in your calculation. 5. Cross out _______________. Ensure that your calculation gives the _____________ you want for your answer.
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Converting particles to moles How many moles of SO 2 are found in 3.55 x 10 40 molecules of SO 2 ?
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Converting particles to moles: How many formula units of NaCl are found in 2.55 moles of NaCl?
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1. How many atoms of copper are found in 5.68 moles of copper? (#2 is next slide)
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2. How many moles of CO 2 are found in 4.22 x 10 70 molecules of CO 2 ?
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NOW – DO #1 ON YOUR PRACTICE SHEET. PRACTICE WORKSHEET IS AT THE END OF THIS HANDOUT REMEMBER, TO GET CREDIT, YOU MUST SHOW YOUR WORK IN DIMENSIONAL ANALYSIS FORMAT, (SYW in DA format), AND ALSO WRITE YOUR ANSWER WITH THE CORRECT UNIT.
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Converting moles to mass: Convert 3.00 moles of copper to grams of copper
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Converting mass to moles: Convert 4.77 grams of chlorine to moles of chlorine.
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NOW – DO #2 ON YOUR PRACTICE SHEET. REMEMBER, TO GET CREDIT, YOU MUST SHOW YOUR WORK IN DIMENSIONAL ANALYSIS FORMAT, (SYW in DA format), AND ALSO WRITE YOUR ANSWER WITH THE CORRECT UNIT.
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1. How many moles are there in 35.7 grams of tin? 2. How many atoms are there in 577 moles of magnesium?
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NOW – DO #3 and #4 ON YOUR PRACTICE SHEET. REMEMBER, TO GET CREDIT, YOU MUST SHOW YOUR WORK IN DIMENSIONAL ANALYSIS FORMAT, (SYW in DA format), AND ALSO WRITE YOUR ANSWER WITH THE CORRECT UNIT.
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