If the mass of the original sample of alloy was 0.7459 ± 0.0005 g and the mass of precipitated CuSCN was 0.2275 ± 0.0005 g and the volumetric flasks used had a 0.05% error, what is the error in the calculated percentage mass of Cu in the alloy? Assume no error in the molecular masses. Provide your answer as an absolute error

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Analytical Tools

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