sotonizhonii
sotonizhonii sotonizhonii
  • 04-03-2021
  • Chemistry
contestada

how many molecules are present in a sample of carbon dioxide, CO2 with a mass of 168.2g?​

Respuesta :

louisaawiddit
louisaawiddit louisaawiddit
  • 04-03-2021

Answer:

2.3 X 10^24 atoms CO2

Explanation:

Answer Link
leahwinter
leahwinter leahwinter
  • 04-03-2021

Answer:

2.30 x10²⁴ molecules CO2

Explanation:

Convert mass of CO2 to moles

Convert moles of CO2 to molecules using Avogadro's number.

168.2 g CO2 x 1 mole CO2 / 44 g CO2 x 6.022 x10²³ molecules CO2 / 1 mole CO2

= 2.30 x10²⁴ molecules CO2

Answer Link

Otras preguntas

What was chinas role in WWII
What is the area of 50 length and 22 width
Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2
Compare and contrast the regional cultures and economies of the English, French, and Spanish areas of control in the Americas. How were they alike, and how were
A 6.5% sales tax on a laptop computer amounted to $117. Find the cost (pretax) of the laptop.
Female bankers earn $4190, male bankers earn $3860. How much more did female bankers earn than male bankers as a percentage of median earnings?
You are monitoring the results of laboratory tests performed on a client admitted to the cardiac icu with a diagnosis of myocardial infarction. which test would
Help!!!!!! What is 80% of 25?
Two friends start at the same point. they walk in opposite directions for 3 meters, then turn left and walk another 3 meters. they turn left again and walk anot
PLEASE HELP I INCLUDED REFERENCED EQUATIONS THROUGH LINKS TO IMGUR - 30 POINTS PLEASE HELP 1. Simplify the following expressions. Show all work for each. (a