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The Mole Unit Skillsheet

The Mole Unit Skillsheet. B. Molar Mass E.g. How many fluorine atoms are found in 135mg of XeF 6 ? I can improve my understanding I’ve mastered this!  Hebden Practice Questions: p80: 6, 7; p82: 8-10; p84: 15ce, 17-20; p86: 22acdefgh, 23ceghikl; p88: 38ab, 39ab, 40, 42chimoq, 43dfhklo.

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The Mole Unit Skillsheet

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  1. The Mole Unit Skillsheet • B. Molar Mass • E.g. How many fluorine atoms are found in 135mg of XeF6? • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p80: 6, 7; p82: 8-10; p84: 15ce, 17-20; p86: 22acdefgh, 23ceghikl; p88: 38ab, 39ab, 40, 42chimoq, 43dfhklo • C. Molar Volume at STP • E.g. What is the mass of 1.91L of nitrogen gas at STP? • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p83: 11, 12; p84 14afh, 16, 17ac; p86 22bij, 23dfj, 24; p88 36ab, 37, 38cd, 39cd, 42begjk, 43abejr • A. Avogadro’s Hypothesis and The Concept of the Mole • E.g. How many hydrogen atoms are 2.30x10-11 moles of NH3? • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p77: 1; p78: 2-5; p84: 15bgd; p87: 23ab; p88-90: 35, 39ef, 42afim • F. Empirical and Molecular Formulae • E.g. An unknown compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen with a molecular mass of 60.0 g/mol. Give the empirical and molecular formulae for this compound • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p95: 47-55 • D. Density and Molar Volume • E.g. What is the molar volume of gold? (Density of gold: 19.30g/mL) • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p88: 25-34, 41, 42jlnps, 43gnpqs • E. Percent Composition • E.g. Calulate the percentage composition of the hydrate in CuSO4∙5H2O • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p91: 44, 45 • G. Molar Concentration • E.g. If a 591mL Gatorade has a sucrose (C12H22O11) concentration of 0.168M, what is the mass of sucrose in this drink? • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p98: 59-71; 103: 95, 96 • H. Dilutions and Mixtures • E.g. If 200mL of 0.100M AgNO3 solution is mixed with 400mL of 0.200M AgNO3, what is the final concentration of final solution? • I can improve my understanding • I’ve mastered this!  • Hebden Practice Questions: p102: 78-94; p104: 97-102 A. 4.16 x 1013 hydrogen atoms B. 1.99 x 10 x 1024 fluorine atoms C. 2.39g of N2 gas D. 10.2mL/mol E 36% H2O F. Empirical: CH2O, Molecular: C2H4O2 G. 34.0g sucrose H. 0.167M AgNO3

  2. The Mole Unit Self-Reflection How confident do you feel with converting between units of mass, volume, density, molarity, number of molecules, number of atoms and number of moles? I feel really lost I need practice I got this How would you rate your study habits from this unit? I need a new I felt my habits could These habits strategy for the be improved were very next unit effective for me The amount of time you spent doing homework for this unit was: Not sufficient Effective! to achieve my I feel totally goals, I feel unprepared prepared. for this test. Do you feel like you sought help when you were having difficulty understanding a concept by yourself? When I was having There wasn’t a trouble I didn’t ask time where I anyone for help struggled but didn’t ask for help What is one learning strategy that you feel that you used really well? What is one learning method that you can improve upon for the next unit, and what’s one strategy you could try to achieve this?

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