The extinction coefficient, ε of amoxicillin sodium (at 273.5 nm) is 1460 mol-1 cm-1 L. Using a 1cm UV cell, the absorpt

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answerhappygod
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The extinction coefficient, ε of amoxicillin sodium (at 273.5 nm) is 1460 mol-1 cm-1 L. Using a 1cm UV cell, the absorpt

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The extinction coefficient, ε of amoxicillin sodium (at 273.5
nm) is 1460 mol-1 cm-1 L. Using a 1cm UV cell, the absorption at
273.5 nm of an unknown aqueous solution of amoxicillin sodium was
found to be 0.42.
What is the concentration of the unknown solution?
· 0.29 M
· 0.0029 M
· 0.029 mM
· 0.29 mM
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