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

pt 2 . This is my last one I need helppp!:(
g Suppose Marcia's Manioc Farm is a non-price discriminating monopolist producing manioc and is producing its profit-maximizing level of output. Suppose further
combine the like terms 2y + 7z -2z +4y +8 +y +2
help me pleaseeeee #5
(10 - y) + 3 y means 7
Please Help!! Please, this is due in a couple of minutes, please help If 8.51×10-2 moles of SO3(g), 0.210 moles of SO2, and 0.354 moles of O2 are at equilibrium
Four friends are buying healthy snacks at the concession stand.The costs of their snacks at $1,$3,$4,and $4.Select True or False for each statement.
The larger of 2 numbers is 5 times the smaller. Their difference is 52.
Find the difference. (2x3y − 8y + 9x3) − (6y + 6x3 − 3x3y) =
PLS HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!