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Moles confuse me- why are they used? From a database of frequently asked questions from the The mole concept section of General Chemistry Online. ... The number of grams in a mole is different from substance to substance. If you're like most students, it's this that's confusing you. Picture it this way: a dozen elephants have...
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antoine.frostburg.edu/chem/senese/101/moles/faq/why-use...
antoine.frostburg.edu/chem/senese/101/moles/faq/why-use-moles.shtml
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Introductory Chemistry (X11) ; * Stoichiometry. A small extra set with several questions, of a range of complexity, on a single reaction. The emphasis is that balanced equations give you the mole ratios between the chemicals in the reaction.
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www.ocf.berkeley.edu/~bbruner/CHEMPROB.HTM
www.ocf.berkeley.edu/~bbruner/CHEMPROB.HTM
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Chemistry Defined Chemistry Highlights Famous Scientists Acids and Bases Redox Reactions Equations What is a Mole? Cooking at Altitude Crystals Detergent Chemistry...
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www.chemistry.co.nz/mole.htm
www.chemistry.co.nz/mole.htm
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There are 4 different definitions to describe the mole depending on how it is used. Interestingly they all interrelate, even though they are different. ... Just like a dozen, the mole represents a numerical value. When you "know the mole" you will remember that a mole will always equal 6.02 X 1023 items. With such a huge...
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www.hurry.to/moleconcept/
www.hurry.to/moleconcept/
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Amount of substance (the mole), solution concentrations, molar gas volumes, ... Q.7 Do the following questions in the same book ... Chemistry Department: Loreto College, Coleraine.
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www.lcc.ukf.net/Chem13/mod1quans.htm
www.lcc.ukf.net/Chem13/mod1quans.htm
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Find out what a mole is and why this unit is used in chemistry. ... A mole of chemistry teachers is 6.02x1023 chemistry teachers. It's a lot easier to write the word 'mole' than to write '6.02x1023' anytime you want to refer to a large number of things! Basically, that's why this particular unit was invented.
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chemistry.about.com/cs/generalchemistry/f/blmole.htm
chemistry.about.com/cs/generalchemistry/f/blmole.htm
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Mass - Mole - Number ... Avogadro's number, the mole concept, formul weights and molar mass allow us to convert among masses, moles and number of atoms or molecules. For example suppose we have 25 g of acetic acid (C2H4O2). The molar mass of acetic acid is 60 g/mol. ... we can ask the following questions for 25 g of acetic acid:
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www.iun.edu/~cpanhd/C101webnotes/quantchem/massmolnum.h...
www.iun.edu/~cpanhd/C101webnotes/quantchem/massmolnum.html
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Chemistry Questions – Mole Calculations ... Samiha said in O Levels Chemistry Questions: More Challenging Exam-Based Questions: Q1. A (copper does not react with dilute acids) Q2. D… … ... JM said in O Levels Chemistry Questions: More Challenging Exam-Based Questions: Q1: A Copper is non-reactive metal Q2:
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www.simplechemconcepts.com/chemistry-questions-mole-cal...
www.simplechemconcepts.com/chemistry-questions-mole-calculations/
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Recently, we have seen more students asking us to discuss more in this chemistry blogsite. One of my chemistry student, who is committed to do well in the october’s GCE ‘O’ Levels Chemistry Examinations, had sent me a series of questions related to Mole Calculations. ... Chemistry Questions – Mole Calculations...
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www.simplechemconcepts.com/o-levels-chemistry-questions...
www.simplechemconcepts.com/o-levels-chemistry-questions-mole-concepts-mole-calculations/
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