98. Решение задачки по химии №009 821

3. Find the chromium content in steel according to the following data:
Reference 1 2 3 Sample
CCr, % 0.50 1.23 4.17 X
SCR 0.07 0.37 0.86 0.61
SFe 0.027 0.23 0.27 0.25

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