Answer to Question #55853 in General Chemistry for Cait
N(P2O5) = NA*n(P2O5), where n(P2O5) = m(P2O5)/M(P2O5) and NA is Avogadro constant and 6.022x1023 molecules/mol
N(P2O5) = NA*m(P2O5)/M(P2O5) = 6.022x1023*0.27/142 = 1.145x1021 molecules
So the total number of atoms is:
N(Atoms) = 7* N(P2O5) = 7*1.145x1021 = 8.015x1021 molecules
Answer : Total number of atoms is 8.015x1021 molecules.
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