Physics, 09.01.2021 15:30 1hannacarson
La tintura de todo es una disolución de todo en etanol con un porcentaje en masa de 2% . Vamos a mezclar etanol y yodo para preparar 390g de tintura de todo . ¿ que masa de yodo necesitamos ? , ¿ que masa de etanol necesitamos ?
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La tintura de todo es una disolución de todo en etanol con un porcentaje en masa de 2% . Vamos a mez...
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