Ответ:
SO2 + H2O = H2SO3
n(SO2 ) = n(H2SO3) = 2моль
m(H2SO3) = 82 × 2 = 164г
w(S) = 32/82 × 100% = 39%
m(S) = 164 × 40% = 64г
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Ответ:
SO2 + H2O = H2SO3
n(SO2 ) = n(H2SO3) = 2моль
m(H2SO3) = 82 × 2 = 164г
w(S) = 32/82 × 100% = 39%
m(S) = 164 × 40% = 64г