CauseLife CauseLife

06-04-2016
Chemistry

contestada

Calculate the number of atoms in 23 g of sodium (Na).

Respuesta :

rockingholly24 rockingholly24

06-04-2016

First find moles of sodium:
(23.0g Na)/(22.99g/mol Na) = 1mol Na

Second multply moles by Avogadro's number: (1mol Na)(6.02x10^23 atoms) = 6.02x10^23 atoms Na

Answer Link

Otras preguntas

cinco tercios de la edad de mi hermano son 25 años. ¿qué edad tiene mi hermano?

53,806 in expanded form using exponents

Why did monks follow strict rules

the quotient of 5 plus d and 12 minus w

How do you solve 1.1x + 1.2 - 5.4 = -10

What is 28-0.3=0.7-12

How do you write add 4 to n then multiply by 5 in algebraic expression

How could these instructions be improved for better understanding of the game?

How do I round to the nearest 0.5 centimeters ?

Evaluate functions w(n)=n^2-3n; find w(6) h(n)=2n; find h(5) h(x)=x^2+4x; find h(-7)