Chemistry, 21.05.2020 21:04 myiacoykendall
The molar absorptivity of Beta-carotene at 490 nm is 1.36 x 105 M-1cm-1. What is the concentration of a solution of Beta-carotene that has an absorbance, A490 = 140 in a cell with a path length of 1 cm? The molar absorptivity of Beta-carotene at 490 nm is 1.36 x 105 M-1cm-1. What is the concentration of a solution of Beta-carotene that has an absorbance, A490 = 140 in a cell with a path length of 1 cm? 2.5 x 10-4 M 5.0 x 10-4 M 1.3 x 10-4 M 2.0 x 10-3 M 1.0 x 10-3 M?
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Chemistry, 22.06.2019 13:00
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Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining
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The molar absorptivity of Beta-carotene at 490 nm is 1.36 x 105 M-1cm-1. What is the concentration o...
Mathematics, 22.05.2020 21:59
Chemistry, 22.05.2020 21:59
Mathematics, 22.05.2020 21:59