Ответ:
дано
m(C3H5(OH)3) = 24 g
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V(H2)-?
2C3H5(OH)3+6K-->2C3H5(OK)3+3H2
M(C3H5(OH)3) = 92 g/mol
n(C3H5(OH)3) = m/M = 24 / 92 = 0.26 mol
2n(C3H5(OH)3) = 3n(H2)
n(H2) = 3*0.26 / 2 = 0.39 mol
V(H2) = n*M = 0.39 * 22.4 = 8.736 L
ответ 8.736 л
Объяснение: