evelyndz evelyndz
  • 15-01-2018
  • Chemistry
contestada

How many atoms are there in 1.45 x 10-17 mol of arsenic?

Respuesta :

d1recruit
d1recruit d1recruit
  • 15-01-2018
1 mole of any substance contains 6.02x10^23 "units" of that substance. This is Avogadro's constant. 

Therefore to find the number of atoms you multiply the number of moles by this number. 
=> 1.45x10^-17 x 6.02x10^23 = 8,730,000 atoms. 

Answer Link

Otras preguntas

What is the slope of the line on the graph? Enter your answer in the box.
Which of these statements best describes why the English legal charter known as the Magna Carta was significant?
What expectations do we have for the government
Organisms are made up of one or more _____. cells clones energies cycles
A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for pi. Round the answer to two decimal places.)
20 points- Help me please this is due today
Vanessa wants to buy a new iPod that costs $239.25. She earns $7.25 per hour at work.
how to solve this m<3=(x+1)(x+4) and m<5= 16(x+3)-(x^2-2)
What is 17/18 + 1/20
PH of 0,035M HCl? How to count if your calculator hasn't got -lg?