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
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 17:00, debordc17
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects
Answers: 2
Chemistry, 21.06.2019 19:30, itzyagirlshy
Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)
Answers: 1
Chemistry, 22.06.2019 07:20, rscvsdfsrysas1857
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
You know the right answer?
3) a) ¿Cuál es la masa de 0,77 moles de ácido nítrico (HNO3)?
b) Se tiene una muestra de 12,3 moles...
Questions in other subjects:
History, 24.06.2019 19:00
