marva3
marva3 marva3
  • 12-01-2021
  • Chemistry
contestada

How many moles of Ar is 2.53 x 1024 atoms of Ar?

Respuesta :

Neetoo
Neetoo Neetoo
  • 15-01-2021

Answer:

4.2 moles of Ar

Explanation:

Given data:

Number of moles of Ar = ?

Number of atoms of Ar = 2.53 × 10²⁴

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

2.53 × 10²⁴  atoms ×  1 mole  / 6.022 × 10²³ atoms

0.42 × 10¹ mole

4.2 moles

Answer Link

Otras preguntas

Why is the addition or subtraction of k to the output of a function considered a translation?
if f(x)=3^x+10 and g(x)=2x-4, find (f+g)(x)
What type of interest group supports causes important to most American citizens?
Solve the simultaneous equations 4 x + y = 17 3 x + y = 15
Which turn (left or right) requires the truck to slow down more in order to make the turn safely? Explain your answer using appropriate relationships.​
poster that advertises the different health related illnesses. need picture
What is the ninth term of the arithmetic sequence defined by the rule below? A(n) = -15 + 2(n – 1). A. 1 B. -1 C. 31 D. -31
should i read star wars or gone with the wind
i just forgot this like ;-;
In 1-2 sentences, explain how to use an apostrophe to show possession for singular and plural nouns and to form contractions.