How much dopant is present in 193 kg of semiconductor with a dopant concentration of 2.00 ppm by mass? Express your answer numerically in grams. • View Available Hint(s) dopant = Submit Part B Because of its semiconducting properties, CdS is sometimes used in electronic devices. The band gap energy for CdS is 2.40 eV. What is wavelength of a photon with this energy? Express your answer numerically in nanometers. • View Available Hint(s) nm P Pearson tion Inc AIl rinhte rocenved Terme of Llee Drivan PolicMI Dormiccions Contact Lle I Show All MacBook Air bo

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