Ответы на вопрос:
ответ:
дано
m(ch3cooh) = 64 g
m(c2h5oh) = 10 g
-----------------------------
m(ch3cooc2h5)-?
m(ch3cooh) = 60 g/mol
n(ch3cooh) = m(ch3cooh) / m(ch3cooh) = 64 / 60 = 1.07 mol
m(c2h5oh) = 46 g/mol
n(c2h5oh) = m(c2h5oh) / m(c2h5oh) = 10 / 46 = 0.22 mol
n(ch3cooh) > n(c2h5oh)
m(ch3cooc2h5) = 88 g/mol
ch3cooh+c2h5oh--> ch3cooc2h5+h2o
n(c2h5oh) = n(ch3cooc2h5) = 0.22 mol
m(ch3cooc2h5) = n(ch3cooc2h5) * m(ch3cooc2h5)
m(ch3cooc2h5) = 0.22 * 88 = 19.36 g
ответ 19.36 г
объяснение:
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