7. An atom has a mass of 19.00 amu(atomic mass units). An amu is 1.6605x10-24 grams. What is the mass of the atom in grams?
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How many atoms would weigh a total of 0.000001978 g of thissodium if the mass of 1 amu is 1.6605x10-24 g?
An atom of 109Ag has an experimentally determined nuclear mass of 108.9048 amu. Calculate the mass defect, ?m, in atomic mass units (amu).
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An atom of 125Sn has a mass of 124.907785 amu. Calculate the mass defect (deficit) in amu/atom. Use the masses:mass of 1H atom = 1.007825 amumass of a neutron = 1.008665 amu1 amu = 931.5 MeV