(b) relative atomic mass number (c) Avogadro's number (d) none of these 12. Assuming the world population is of 6 billion and total dollars equal to 1 mole, if the dollars are divided equally, each person will have : (a) 1014 dollars (b) 1015 dollars (c) 1013 dollars (d) 1012 dollars
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mentary entities (usually atoms or molecules) in a certain mass of a given substance.
Avogadro’s number is an absolute number: there are 6.022×1023 elementary entities in 1 mole. This can also be written as 6.022×1023 mol-1.
The mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.
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