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: