Дано:
N (Al) = 60.2 *10^23
Найти:
n(Al2O3) - ?
4 Al+3 O2 = 2 Al2O3
n(Al) = N/Na
Na = 6.02*10 ^23
n(Al) = 60,2*10^23/6.02*10^23 = 10 моль
n(Al) = 10 моль
10 моль n(Al2O3)
= =>
4 2
n(Al2O3) = 5 моль
Ответ: n(Al2O3) = 5 моль
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Дано:
N (Al) = 60.2 *10^23
Найти:
n(Al2O3) - ?
4 Al+3 O2 = 2 Al2O3
n(Al) = N/Na
Na = 6.02*10 ^23
n(Al) = 60,2*10^23/6.02*10^23 = 10 моль
n(Al) = 10 моль
10 моль n(Al2O3)
= =>
4 2
n(Al2O3) = 5 моль
Ответ: n(Al2O3) = 5 моль