дано
n(H2O2) = 1 mol
-----------------
m(O2)-?
2Н2О2 → 2Н2О + О2
2n(H2O2) = n(O2)
n(O2) = 1/2 = 0.5 mol
M(O2) = 32 g/mol
m(O2) = n*M = 0.5*32 = 16 g
ответ 16 г
n(HgO) = 1 mol
--------------------
2НgО → 2Нg +О2
2n(HgO) = n(O2)
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Answers & Comments
дано
n(H2O2) = 1 mol
-----------------
m(O2)-?
2Н2О2 → 2Н2О + О2
2n(H2O2) = n(O2)
n(O2) = 1/2 = 0.5 mol
M(O2) = 32 g/mol
m(O2) = n*M = 0.5*32 = 16 g
ответ 16 г
дано
n(HgO) = 1 mol
--------------------
m(O2)-?
2НgО → 2Нg +О2
2n(HgO) = n(O2)
n(O2) = 1/2 = 0.5 mol
M(O2) = 32 g/mol
m(O2) = n*M = 0.5*32 = 16 g
ответ 16 г