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

Which equation represents a line that passes through (2, –1/2) and has a slope of 3?

What is one of a labor union’s primary goals? A. to make decisions about the workplace B. to gain promotions for workers C. to keep nonunion workers out of jo

18. Which number rounds to 0.94 when rounded to the nearesthundredth?

What would be the best way to measure Carbon Dioxide in a Soft Drink can? And yes, we were going to do it by taste.

when earth's shadow falls on the moon it causes a

Which causes malaria, African sleeping sickness, and amoebic dysentery?

Which of the following cultures did not influence Dominican cuisine? (1 point) A Chinese B African C Spanish D Taíno

Your friend gets to school wearing an outfit straight from the pages of a recent fashion magazine. He says he is dressing like the famous actors in the magazine

Write a paragraph about National Sovereignty in Ukraine (20 POINTS)

a .35 m solution of weak acid, HX, has a h+ of 4.15×10^-3. what is the value of ka for this acid