myca17 myca17
  • 12-03-2017
  • Chemistry
contestada

Number of moles in 7.8 x 10(at top of 10 like exponent 23) molecules

Number of moles in 78 x 10at top of 10 like exponent 23 molecules class=

Respuesta :

MartynBH
MartynBH MartynBH
  • 12-03-2017
First you need to know Avogadro's number which is 6.02 times 10^23 molecules in 1 mole of a substance. So now just divide your number by Avagadro's number to get the number of moles.
Answer Link

Otras preguntas

Benito Mussolini was also known as Il ______________.
Aluminum chloride and cesium undergo a single replacement reaction. What is the correct chemical equation for this reaction? a. AlCl3 + 3Cs yields No Reaction
What is the answer to 2a-3=7
What is the result when 78 is increased by 9.5%
what is the fraction form of 2.333
Upon balancing the equation below, how many moles of sulfuric acid are needed to react completely with 8.4 moles of lithium hydroxide? LiOH + H2SO4 yields Li2S
What did Alexis de Tocqueville write about American democracy's effect on personal ambition? A. American democracy didn't spread wealth equally. B. American
The average of three numbers is 15. What is two times the sum of the the three numbers? Please show how you did it~!! >_
what is bigger 9/10 or 7/8
The weight of an object is the product of its mass, m, and the acceleration of gravity, g (where g=9.8 m/s2). If an object’s mass is m=10. kg, what is its weigh