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

what is force ?is it desirable or undesirable?

What is the probability of someone correctly guessing your Social Security number? (Assume all digits 0-9 are available for use)a

You shoot an arrow set a target. The parabolic path of the arrow passes through the points shown in table. X. Y 30. 6 60. 7 100. 4 A. Find a quadratic function

I just need the equation on how to do it. I'm so lost :'( help please!!!!!!

You shoot an arrow set a target. The parabolic path of the arrow passes through the points shown in table. X. Y 30. 6 60. 7 100. 4 A. Find a quadratic function

write an equation that is perpendicular to the line y = 2x + 13?

The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c

I just need the equation on how to do it. I'm so lost :'( help please!!!!!!

An object with mass 60 kg moved in outer space. When it was at location < 13, -19, -3 > its speed was 3.5 m/s. A single constant force < 220, 320, -120

which foods earthworms can digest?