brookestudents1 brookestudents1

14-02-2021
Chemistry

contestada

How many moles are equal to 7.28 x 1025 atoms of an element?

Respuesta :

Khasandra Khasandra

14-02-2021

Answer = 121.3mol

#Use Avogadro

Number of atoms = mol × 6×10²³

7.28 × 10²⁵ = mol × 6×10²³

mol = (7.28×10²⁵) : (6×10²³)

mol = 121.3mol

Answer Link

Otras preguntas

A factory tests a random sample of 19 transistors for defects. the probability that a particular transistor will be defective has been established by past exper

what is the solution of the system use substituion 3x-4y=9 -3x+2y=9

The sun does arise, And make happy the skies. The merry bells ring To welcome the Spring. [5] The sky-lark and thrush, The birds of the bush, Sing louder around

How does word choice create mood and communicate meaning

What is the perimeter

Factors that weaken the competitive pressures created by rivalry among competing sellers include

A tiger traveled 3.5 km, then turned around and traveled 1,250 m back toward his starting point. How many meters was he from his starting point?

Judy,Jeff and Jim each earned $5.40 raking leaves. How much did they earn together?

Which word identifies a novel that describes a person’s coming age or initiation into life ? A. Realistic novel B. Psychological novel C. Novella D. Bildungsro

Can someone help me please? (Picture above)