tamwisegamgee tamwisegamgee
  • 02-11-2019
  • Chemistry
contestada

Consider a sample containing 0.740 mol of a substance. How many atoms are in the sample if the substance is lead?

Respuesta :

francesconedved1987
francesconedved1987 francesconedved1987
  • 02-11-2019

Answer:4.45 x10^23 atoms to 2 decimal places

Explanation:

No of moles=no of atoms/Avogadro's

constant

Hence 0.740=no of atoms/6.02x

10^23

So no of atoms=0.740x6.02x10^23 atoms

=4.4548x 10^23 atoms

Answer Link

Otras preguntas

what is 2 x (79-82+96) x 14 ÷2
part of speech for formation
The author of the novel Uncle Tom's Cabin was: Harriet Tubman Frederick Douglass Harriet B. Stowe Stephen Douglas
Lines a and b are parallel. What is the measure of angle m? Enter your answer in the box. m = \degree
The highest mountain in the world is here
A ball with a mass of 0.5 kilograms is lifted to a height of 2.0 meters and dropped. It bounces back to a height of 1.8 meters. The energy of the ball has been
Two global regions which are very closely related are:A. political and climaticB. geographical and racialC. geographical and climatic
How are desert plants adapted to their climate?
How does conservation help to reduce air pollution?
Read the line from the passage Snow that seems ashamed of itself for lingering so long after wearing out its welcome. What figure of speech dies the author use