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8 Cards in this Set
- Front
- Back
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what is Mole? what is the mole equation how is carbon conected with mole? |
a way of counting in chemistry - 6.02x10^23 1 mole of 12 Carbon atoms weigh 12 grams exacly. |
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what do the following symbolize ? n N m M mol |
n- amount of substance/mole N- number of particles m- mass (g) M- molar mass mol- the unit of measurement for amount of substance |
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what is Avagadro's symbol and number/ equation? |
Na - 6.02x10^23 |
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number of particles/ atoms/ isotopes ---> divide by 6.02x10.23 Moles of Particles, atoms/ isotopes <--- multiply by 6.02x10^23 |
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what are the two equations of finding number of or moles of : |
numbers of N=nxNa Moles of n=N/Na |
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how many atoms in 3 mole of copper use N=nxNa |
Copper = Cu N= ? n= 3 Na= 6.02x10^23 N=nxNa N=3X6.02x10^23 N= 1.806x10^23 Cu atoms |
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what amoun (in moles) is 3.01x10^23 molecules of NaCl? which formula? |
n=N/Na n=? N= 3.01x10^23 Na= 6.02x10^23 n=3.01x10^23/6.02x10^23 n= 0.5 mol NaCl |
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slide 8 |
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