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

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

If you rode a bicycle at 12 miles an hour how long will it take you to write 42 miles

Which of the following sequences of transformations will always produce a congruent figure?

How do you solve this ?

A quantity a varies inversely as a quantity b, if, when b changes, a changes in the inverse ratio. What happens to the quantity a if the quantity b doubles?

Find the unknown angle measures

the sum of three consecutive integers is 528. find the integers

How to calculate the percentage of the third year .i want extra detailed steps

Stephanie is going to summer camp. There are three cabins to which she could be assigned: pin cabin , maple cabin, or spruce cabin. She can be assigned either a

Jamie wants to put tiles on the walls and floor of his room (but not on the ceiling). The length of his room is 10 feet, the width is 14 feet, and the height is

Which of the following statements best explains why elements in the same family of the periodic table have similar bonding properties? A- The elements have sim