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

Describe the freedom and influence of women in different classes in Rome.
A college financial advisor wants to estimate the mean cost of textbooks per quarter for students at the college. For the estimate to be useful, it should have
Calculate NL if a=25, b=27.73, and c=12
Louis has developed a rash on his back. He seeks treatment from a specialist who treats the skin. What is the medical term for this specialist? OA. cardiologist
when a stone falls freely, the time taken to hit the ground varies as the square root of the distance fallen. If it takes four seconds th fall 78.4m, find how l
Which transformation does not preserve orientation? A. rotation B. reflection across the y-axis C. dilation D. translation
what theme is best revealed by this conflict?
A plane progressivethe expressionin time, yswhere youprogressivo ware is no presented by(At + Ay- 5 sinin metre, t es in time the doplicenselCalculatethe amplit
neeed help thankssss
What did early computers use to store each bit?