Chemistry, 16.06.2021 22:20, 19dansiste

3) a) ¿Cuál es la masa de 0,77 moles de ácido nítrico (HNO3)? b) Se tiene una muestra de 12,3 moles de cinc, ¿Cuál es su masa?

4) a) Expresar 120 g de sulfato cúprico (CuSO4) en moles
b) En un paquete de 1 kg de azúcar (sacarosa, C12H22O11) ¡Cuántos moles de sacarosa hay?

5) Una pieza de una aleación contiene 3,15 moles de cobre y 2,75 moles de estaño.
a) la masa de cada metal en la pieza
b) la masa total e la pieza
c) la composición centesimal de la pieza (esto es: que porcentaje de la masa corresponde a cada metal o , cada 100 g de la aleación, que masa corresponde a cada metal)

Answers: 3

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3) a) ¿Cuál es la masa de 0,77 moles de ácido nítrico (HNO3)? b) Se tiene una muestra de 12,3 moles...