Thank you for visiting A calibration curve gives a slope of 35 9 Mâ ¹ If the path length equals 1 8 cm calculate the molar absorptivity varepsilon Mâ. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
To calculate the molar absorptivity of 35.9 M¹ with a path length of 1.8 cm, divide the slope by the path length to get 19.9 M¹ cm¹.
Explanation:
The student has asked how to calculate the molar absorptivity (É›) given a slope of the calibration curve (35.9 M¹) and a path length of 1.8 cm. To find the molar absorptivity, which has units of M¹ cm¹, you'll need to adjust the given slope by the path length. Since the calibration curve slope is given as É›b, where b is the path length (Beer-Lambert law), molar absorptivity can be calculated by dividing the slope by the path length. In this case, É› = 35.9 M¹ / 1.8 cm, which yields a molar absorptivity (É›) of 19.9 M¹ cm¹.
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