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 cost of an xbox is £ x. a playstation costs £15 more than an xbox. the total cost is £335. find the cost of the playstation

piano lessons cost $30 per lesson. Find ordered pairs that represent the total cost for x number of lessons. Check all that apply. (–1,–30) (0,30) (1,30) (1.5,5

Which of the following actions best describes President John F. Kennedy's role in creating the outcome described in the passage? A. Ending the American bloc

What is included in the body of a business letter? the date the letter is being sent the author’s purpose to whom the letter is being sent the author’s company

Which ratios form a proportion A. 4/10 and 10/25 B. 3/5 and 9/25 C. 4/9 and 9/4 D. 4/11 and 6/13

1) describe the rule for the sequence. 2) find the next two terms of the sequence

I walk my dog FiFi for 35 minutes for 1.5 miles, how many miles per hour did Fifi walk?

What did the king of england need the great council's approval to do?

what can you bring in a carry on bag on a airplane ?

i dont know how but can someone help me asap if i get it wrong i fail the grade