http://vvolod.livejournal.com/ ([identity profile] vvolod.livejournal.com) wrote in [personal profile] urzik 2012-05-14 06:57 am (UTC)

Нет, логика есть. Если исходный раствор делается в колбе, например, на 100,0 мл, а потом отбирается аликвота 10,00 мл, то это получается 1/10, если 20,00 мл, то 1/5, а если 5,00 – 1/20
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