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Topic: What should I consider the weight of elements in the periodic table gram or amu?  (Read 1745 times)

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Offline IBM

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What should I consider the weight of elements in the periodic table gram or amu?
« on: September 12, 2018, 11:45:09 AM »
 Say, the atomic weight of O,15.999, is written in the periodic table. What should I consider the weights of elements in the periodic table gram or amu?  I am confused.
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Offline chenbeier

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Re: What should I consider the weight of elements in the periodic table gram or amu?
« Reply #1 on: September 12, 2018, 11:52:38 AM »
If you talk about 1 mol O then its 15,999 g. If talk about 1 atom O then its 15,999 amu. Tell what is the conection factor between both numbers?
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Offline IBM

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Re: What should I consider the weight of elements in the periodic table gram or amu?
« Reply #2 on: September 12, 2018, 01:45:49 PM »
Quote from: chenbeier on September 12, 2018, 11:52:38 AM
If you talk about 1 mol O then its 15,999 g. If talk about 1 atom O then its 15,999 amu. Tell what is the conection factor between both numbers?
Gram/mole = amu/atom
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Offline chenbeier

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Re: What should I consider the weight of elements in the periodic table gram or amu?
« Reply #3 on: September 12, 2018, 03:01:28 PM »
Check definition of mole and also Avogrodo number and calculate the factor.
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