Ciencias Sociales, pregunta formulada por ernestiecraigdaniels, hace 6 meses

2.
A 0.45g sample of mineral ore is analyzed for chromium and found to contain
0.560mg Cr2O3. Express the concentration of Cr2O3 in the sample as:
(a) Percent (%)
(b) Parts per thousand (ppt)
(C) Parts per million (ppm)
(d) Parts per billion (ppb)​

Respuestas a la pregunta

Contestado por wankundasichone1
26

Respuesta:

A 0.45g sample of mineral ore is analyzed for chromium and found to contain   0.560mg Cr2O3. Express the concentration of Cr2O3 in the sample as: (a) Percent (%) (b) Parts per thousand (ppt) (c) Parts per million (ppm) (d) Parts per billion (ppb)

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