we9nsonGammie we9nsonGammie

08-11-2016
Chemistry

contestada

How many moles of potassium are represented by 7.85 _ 1024 potassium atoms?

Respuesta :

Edufirst Edufirst

11-11-2016

Use Avogadro number

1 mol = 6.02 * 10 ^ 23 atoms

7.85 * 10 ^ 24 atoms / 6.02 * 10 ^23 atoms / mol ≈ 13 moles

Answer Link

Otras preguntas

PLEASE HELP I’LL MARK AS BRANLIEST AND EXPLAIN!! 20 POINTS Four forces are exerted on each of the two objects shown below: Which object will move in the up dire

How do you prove triangles congruent do you know a good website to help on this. Geometry

in the periodic table notation below what information does the number 40.08 tell you

1. The crystal merchant serves as an example as one who has chosen to ___________ his Personal Legend. A. Create B. Forget C. Grow D. Give Up 2. The crystal mer

please help !! in desperate need

which american author was most directly inspired by the ideals of transcendentalsim

Elle ________ visite à Isabelle et sa famille d'accueil. a visité a rendu est montée est venue

2. Who was the founder of Buddhism?

At an elementary school carnival, students can draw a rubber duck out of a tub of water. Each duck has a number written on the bottom of it which correlates wit

Dernea Gardening sells wheelbarrows. A wheelbarrow costs $6.94 to produce and it sells for $42.50. The company employs two salespeople, each of whom earns a dif