haulenback haulenback

09-10-2016
Chemistry

contestada

How many copper atoms are in 150 g of copper metal

Respuesta :

10-10-2016

1. From grams -> mole:

=grams given x 1 mol/molar mass

So 150 g Cu x 1 mol Cu/63.546 g Cu = 2.4 mol Cu

2. From mole -> atoms

=number of mol x 6.022x10^22 atoms/1 mol

So 2.4 mol Cu x 6.022x10^22 atoms Cu/1 mol Cu = 1.4 x 10^24 atoms Cu

Answer Link

Otras preguntas

Use the Pythagorean theorem to solve for the missing side

(no links or i'm reporting) pleeeeeeease help List the types of currency in the United States. What is generally required to make more money?

Write a poem about identity

Find the volume of the cone. Round your answer to the nearest tenth.

Someone help me quickly plz

Which of the following events below will have an equally likely chance of happening? A If an event has a 5%5\%5% chance of happening B If an event has a 50%50\%

What is the percent of the figure is shaded?

What is the purpose of using variables in programming? O To calculate equations O To define functions O To print statements O To store string values

Find an equivalent ratio in simplest terms: 16 : 24

Find the value of x.x 13 39