kristensass04
kristensass04 kristensass04
  • 18-11-2020
  • Chemistry
contestada


How many moles of methane(CH4)
are in 7.31x1025 molecules?
[? ]x10!?)
In scientific notation!!!

Respuesta :

jcherry99
jcherry99 jcherry99
  • 18-11-2020

Answer:

121.428 mol = 1.214 * 10^2 mol

Explanation:

1 mol = 6.02 * 10^23 molecules

x  = 7.31 * 10^25  molecules

7.31*10^25 = 6.02*10^23   x

Divide by 6.02*10^23

7.31 * 10^25 / 6.02*10^23 = x

x = 121.428 mol

The units are mol

Answer Link

Otras preguntas

"All John asked Maggie for was a dollar, but she would not give it to him. Sure she had the money, but it was her money. She grew up with money, and she planned
choose the correct aternative: 1)Where did you______yesterday? 2)Did paola_____Ceviche? 3)What___he_____last night? 4)when did your sister_______English? 5)I___
Colette made a scale drawing of a house. The scale of the drawing was 7 centimeters = 2 meters. What is the scale factor of the drawing?
HELP PLEASE I NEED TO PASS THIS TOMORROW
Please help me please
23 kg of onions cost $69. How much would 8 kg cost?
Find the distance between the points E(3, 7) and F(6, 5).
What food and culture was exchanged during the Colombian exchange?
Do the following math operation and report your answer to the correct number of significant digits. 10.000-9.768/5.78
*100 POINTS!* Answer fast