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![Suppose a pure Si crystal has 5 × 10^28 atoms m^-3 . it is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n1 = 1.5 × 10^16m^-3 . Suppose a pure Si crystal has 5 × 10^28 atoms m^-3 . it is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n1 = 1.5 × 10^16m^-3 .](https://haygot.s3.amazonaws.com/questions/2002130_1289582_ans_0a2a21fa883f480a8f1baf8829e97f49.jpg)
Suppose a pure Si crystal has 5 × 10^28 atoms m^-3 . it is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Given that n1 = 1.5 × 10^16m^-3 .
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Molarity, Molality, Normality, Part per million (ppm) and other basic terms of Concentration solution with definition & formula |Chemistry Basic|02 | by Amrita Shetty | Medium
![SOLVED: ayuda, esto es de química a) Calcula las ppm de mercurio. Si en 4.3 litros de agua de un rio hay disueltos 0.003g b)Una pasta de dientes tiene 0.004g de floruro SOLVED: ayuda, esto es de química a) Calcula las ppm de mercurio. Si en 4.3 litros de agua de un rio hay disueltos 0.003g b)Una pasta de dientes tiene 0.004g de floruro](https://cdn.numerade.com/ask_images/39c967cabcaf48ecb0f21f74a3754f53.jpg)