141. Solving a chemistry problem
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- определить массовую долю хрома.rar (69.62 KB)
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141. Solving a chemistry problem
Determine the mass fraction (%) of chromium in steel, if the following results were obtained during photometry using the method of three standards
Option 1
Parameter standard test sample
ω (Mn),% 0.5 1.23 4.17?
SFe 0.07 0.29 0.86 0.73
SMn 0.27 0.15 0.27 0.33
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