HanahJai HanahJai

22-10-2016
Chemistry

contestada

What is the number of atoms in a 2.35g piece of Gold (Au) ?

Respuesta :

Willchemistry Willchemistry

23-10-2016

Atomic mass gold ( Au) = 196.96 a.m.u

196.96 g ------------ 6.02x10²³ atoms
2.35 g -------------- ??

2.35 x (6.02x10²³) / 196.96

=> 7.18x10²¹ atoms

Answer Link

Otras preguntas

Which of the following objects has the greatest kinetic energy? a baseball flying through the air at 90 miles per hour a baseball flying through the air at 45

Why do nonbonded electron pairs help determine the shapes of molecules?

A swimming pool is shaped like a right rectangular prism. The pool is 36ft long and 20ft wide. What is the total amount of water in cubic feet needed to fill th

Who were these people?? Clovis: Charlemagne: Otto I: William the Conqueror, Duke of Normandy:

Which product of prime polynomials is equivalent to 8x3 – 2x?

The aphorisms from poor richard's almanac reflect the philosophies of a.the age of reason. b.the era of romanticism. c.the age of innocence. d.the era of ex

what happens to the bonds between atoms when chemical changes occur

How many chromosomes do humans with down syndrome have?

Which option below best describes the polynomial 4x3 + 3x2 - 1 ?

An example of alliteration is in the line _____. A. “to look a soldier in the eye” B. “place a flower in the barrel” C. “Here is the faith” D. “Who commanded