GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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you have 85.5 g of fluorine, which has a molar mass of 19 g/mol. how many mols of fluorine do you have?
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4.5 mol
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19 mol
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45 mol
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85 mol
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Explanation:
Detailed explanation-1: -fluorine-19 atom (CHEBI:36940) The stable isotope of fluorine with relative atomic mass 18.998403 and nuclear spin 1/2.
Detailed explanation-2: -A neutral atom of fluorine has a mass number of 19 and an atomic number of 9 .
Detailed explanation-3: -Fluorine has an atomic mass of 9 g. So, the mass of one molecule of fluorine molecule is 18 g/mol.
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