The weight of single sodium atom is
A. 236.023×1023grams236.023×1023grams
B. 23 a.m.u23 a.m.u
C. 23×1.66×10−24grams23×1.66×10-24grams
D. Any of these
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a single atom of sodium weighs 23 atomic mass units (AMUs), but it also means that one mole of sodium atoms weighs 23 grams. Hence 6.02 x 10^23 atoms of sodium weight a total of 23 grams
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