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 fractions equivalent by 8/3

. Michael plays 1/5 of a song in 1/15 of a minute. How much time will it take him to play an entire song?

Please help need a second opinion 2/5 X 5/7 X 1/2= 1/7 is this the wrong answer?

Charlie was carrying around the steps to solve Square root of 6x plus 4 = 8. On his way through the Math Factory, Charlie dropped them and they mixed with other

Which pronoun agrees with the antecedent in the sentence? Everybody forgets __________ umbrella sometimes. A. their B. her C. his D. his or her

What happens in the artificial transmutation of an element? Included an example.

PLEASE HELP Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x)) Answer choices: A. -40x+24 B. -40x+31 C. -40x+64 D. -40x+70

How is the gerund phrase used in the sentence? My hobby is surfing every weekend. A. predicate nominative B. object of a preposition C. subject D. direct object

How do you write three fourths as a fraction percent and decimal

Select the line that presents onomatopoeia. A. "...[I] went where he sat on a long and led him in..." B. "...Through the swung half-door... I saw him limpsy and