Answer:
It may be C or D I'm not sure, but I think it is C you can go with whatever you think is best but I'm most likely sure that it is C. Sorry if this helpful or I got it wrong but it is. I hope this helped tho!
Explanation:
Answer:
Velocity = Distance Covered÷Time Taken
Velocity = 4000÷8
V = 500
Answer:
C. 6.99 moles
Explanation:
To convert molecules to moles we simply divide the given number of molecules by Avogadro's number, 6.022 x 10²³
Given number of molecules : 4.21 x 10^24
Number of moles : 4.21 x 10^24 / 6.022 x 10²³ = 6.99 moles ( rounded )
The answer is C
