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

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that A) tropical communities are younger. B) tr

The law prohibits a person from _________ an electric vehicle/"ev"-designated parking space.

The recursive rule for a sequence is a^n=a^(n-1)+7,where a^1=-15. What is the explicit rule for this sequence?

what could be a problem with using just one or two primary sources to study an event

Quadrilateral BIRD is inscribed in circle O. What is the measure of angle D?

Which of the following statements is most consistent with F.E. Clements' integrated hypothesis? A) Species are distributed independently of other species. B) Co

When one area of the world is economically affected by a natural disaster in another country, what is this called?

Which polynomial function has a leading coefficent of 3 and roots -4,i, and 2 wit multiplicity 1

Help me Asap ASAP!!!!!!!!!

Can the polynomial in the numerator of the expression x2-5x+7/x-9 be factored to derive (x − 9) as a factor?