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QUESTION
A metal naphthenate sample, ashed and diluted to a fixed volume, gave an absorbance reading of 29.
A metal naphthenate sample, ashed and diluted to a fixed volume, gave an absorbance reading of 29. Two standard additions samples containing the same quantity of unknown solution plus 25 mg/ml and 50 mg/ml of barium gave readings of 53 and 78, respectively. Calculate the quantity of barium in the original sample.
A metal naphthenate sample, ashed and diluted to a fixedvolume, gave an absorbance reading of 29. Two standardadditions samples containing the same quantity of unknownsolution plus 25 mg/ml and...