Practice question
Question
A solution shows a transmittance of 20% when taken in a cuvette of 2.5 cm path length. If the molar absorption coefficient of the solution is 12000 𝑑𝑚 ³ /𝑚𝑜𝑙. 𝑐𝑚, the concentration of the solution is ______ × 10 ⁵ 𝑚𝑜𝑙/𝑑𝑚 ³ (rounded off to two decimal places). (MTA*) (NAT)
Explanation
This outcome reflects verbal and logical reasoning, where grammar, vocabulary and inference determine correct usage. Option NAT captures this correctly because it meets linguistic and logical standards, consistent with textbook descriptions and experimental observations in general aptitude.
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