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

A point has been translated right and up. The image of the point is point E. What point is the pre-image of point E?
a single bench section at a school event can hold either 7 adults or 11 children. when n bench sections are connected end to end, an equal number of adults and
If 7% of a number equals 5, find 28% of that number.
Two different atoms have nine protons each and the same mass. However, one is neutral while the other has a negative charge. Describe what each atomic structure
applying the concept of parsimony, which trait would support species a and species b being a monophyletic group? trait 1 trait 2 trait 3 trait 4 trait 5 species
name the method of determining what sales volume must be reached before total revenue equals total costs.
Riley, who is three years old, has never met her dad since he was sent to the state penitentiary for check fraud just after she was born. He was sentenced to fi
please answer fast! ​
Identify the graph of f(x) = x^2 + 3X - 4 from among the options below.
Jane earns £11 400 per year.90169 brs anottoB After her pay rise she earns £12 198 per year. What was her percentage pay rise?