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

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

Please help and explain.

7. Read the passage I must close now. But before dosing I am Impelled to mention one other point in your statement that troubled me profoundly. You warmly comme

need help with this

For the function y = 5 – 4x, given the domain {-1, 0, 1}, the range is

PLEASE HELP ME. I know I ask a lot, but I don’t know what I should come up with

what is meant by a stationary object??

help me, please :) thx

What promise was made in clause 12

Conductors of electricity * A.Nonmetal B-Metalloid C-Metal

Erin gets her exercise by running. The graph shows the distances she covers in a given amount of time. How many hours does it take for Erin to run 25 miles?