When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the sam...

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When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" by use of several different experimental designs.

A:When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever

B:The chemist Amedeo Avogadro (1776 – 1856), positing that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could no

C:The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, but many scientists doubted that, even if this theory is true, the number could never

D:The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could ever

E:The chemist Amedeo Avogadro (1776 – 1856), posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, although many scientists doubted that, even if this theory were true, the number coul

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正确答案： D:The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could ever

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