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Chemistry
OpenStudy (anonymous):

Calculate the no. of atoms in (a) 52 moles of He (b) 52 amu of He (c) 52 g of He

OpenStudy (anonymous):

no of atoms = no of moles * Avagadro Numbe

OpenStudy (zpupster):

to get moles from grams: 52g)(g/mol He (from periodic table)) = Moles of He

OpenStudy (zpupster):

for amu take the atomic mass unit from periodic table for He 1 atom = He amu then 52 amu x (1 atom/ He amu)= atoms of He

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