rafaelpatino7 rafaelpatino7

04-07-2020
Chemistry

contestada

What is the mass of a sample of copper that contains 4.78 x 1023 atoms?

Respuesta :

ZetaFox ZetaFox

04-07-2020

Answer:

50.45679

Explanation:

mass of 1 mole(6.02 x 10^23atoms) of copper: 63.546g

so,

63.546g x 4.78 x 10^23 / 6.02 x 10^23 = 50.45679g (you could round this to the nearest decimal if u wish so)

Answer Link

Otras preguntas

PLEASE HELP ME WITH THIS QUESTION 6

One drink of an alcoholic beverage contains approximately how many kcal? a. 150 to 200 b. 50 to 100 c. 200 to 300 d. 100 to 150

what is the best estimate for the product 2,704.241 X 165.9

Use the graph to write the explicit rule of the arithmetic sequence. Question 19 options: A) ƒ(n) = 9 + 2(n – 1) B) ƒ(n) = 5 + 3(n – 1) C) ƒ(n) = –3 + 2(n –

Fuel crises will occur in future because of a. over use of petroleum b. use of solar energy c. over use of bio-gas d. use of hydro-energy

Does the Youth Service Project, or a Civic Organisation, or Community Service Centre help the community?yes\no collaborate

Read the quotes in the "Author's Disclosure" section of this book that help to describe the Juris Naturalist viewpoint. Look up the definition of "unalienable"

If AC=24, what is AB? Write an equation and solve for x first.

If methylene blue dye is added to a suspension of yeast cells, any living cells remain colourless. However, any dead cells are stained blue. This fact was used

what situation can the communication form could best be used