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
Chemistry, 22.06.2019 09:00
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 12:00
the mississippians were considered to be horticulturalists, which means they were
Answers: 1
Chemistry, 23.06.2019 00:00
What conclusion can you draw from this experiment about the components of the black ink?
Answers: 3
3) a) ¿Cuál es la masa de 0,77 moles de ácido nítrico (HNO3)?
b) Se tiene una muestra de 12,3 moles...
English, 19.07.2019 21:00
Mathematics, 19.07.2019 21:00
History, 19.07.2019 21:00