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

Teaching students about relationships for peers and friends, teachers. NON sexual information

Amira wrote the inequality p + 5 = 18. Which situation is best represented by this inequality?

A restaurant served 324 meals at lunch. It then served 439 meals at dinner. How many meals did it serve in all?

I did it!!!! Finally ranked Ace!! no reason to celebrate i guess, but still i finally made it guys #free_points

Find the area of the polygon. 16 ft 14 ft 2 ft 2 ft

Help please will mark brainliest!

I’ll give brain list

Choose the correctly written translation. “My friends give us soup” A. Mis amigos damos nos el caldo a nosotros B. Mis amigos nos dan el caldo a nosotros C. M

g Suppose that the economy is producing at its potential level of output and full employment. An economic stimulus which includes increases in government spendi

Help me please! Two-thirds of the students in Hannah's homeroom plan to do some volunteering this summer. Of these students,3/5 plan to volunteer at the communi